Home > Occupational safety training > Study and get certified > Occupational safety knowledge > Occupational safety documents > Safety Document Group 3 > Occupational Safety Manual for Charger and Charging Cable Manufacturing

Category Map

DOWNLOAD THE OCCUPATIONAL SAFETY DOCUMENTATION SUITE (6 GROUPS, OVER 300 INDUSTRIES)

Ensure safety in the charger and charging cable production process with this detailed document! The comprehensive guide helps you comply with safety standards, protect workers’ health, and improve production efficiency. Discover it now!

Table of Contents

PART I: CURRENT STATE OF SAFETY IN THE CHARGER AND CHARGING CABLE MANUFACTURING INDUSTRY

I. General Situation

The Ministry of Labour, Invalids and Social Affairs informs sectors and localities of the occupational accident situation in the first 6 months of 2024 and outlines key solutions to proactively prevent incidents and accidents in the last 6 months of 2024. According to reports from 61 out of 63 centrally governed provinces and cities, in the first 6 months of 2024, there were a total of 3,201 occupational accidents nationwide (a decrease of 227 cases, equivalent to 7.09% compared to the same period in 2023), resulting in 3,065 victims (a decrease of 197 people, equivalent to 6.04% compared to the first 6 months of 2023), including both employees under labor contracts and those working without labor contracts. Specifically:

Number of fatal occupational accidents: 320 cases, a decrease of 25 cases (7.25%) compared to the first 6 months of 2023 (including 245 cases in areas with labor relations, a decrease of 28 cases or 10.3%; and 75 cases in areas without labor contracts, an increase of 3 cases or 4.2% compared to the first 6 months of 2023);
Number of deaths due to occupational accidents: 346 people, a decrease of 7 people or 1.98% compared to the same period in 2023 (including 268 in areas with labor relations, a decrease of 13 people or 4.63%; and 78 in areas without labor contracts, an increase of 6 people or 8.33%).
Number of people seriously injured: 810 people, an increase of 26 people or 3.32% compared to the first 6 months of 2023 (including 710 in areas with labor relations, a decrease of 5 people or 0.7%; and 100 in areas without labor contracts, an increase of 31 people or 44.92%).

Download the PDF file Occupational Accident Report – First 6 Months of 2024 issued by the Ministry of Labour, Invalids and Social Affairs.

The occupational accident situation in the first 6 months of 2024 in both sectors with and without labor relations saw a decrease in the number of deaths and fatal accidents compared to the same period in 2023.

II. Some Occupational Accidents in Charger and Charging Cable Manufacturing Plants

During the production of chargers and charging cables, occupational accidents can occur if safety measures are not followed. Here are some common accidents:

Short circuits and fires: Due to improper contact with electrical wires or equipment, leading to short circuits and fires, causing serious damage to people and property.
Accidents due to machinery: Workers can be seriously injured when caught in machinery, especially during the assembly and product testing process.
Chemical poisoning: The use of chemicals in the production process without proper protective measures can lead to poisoning or long-term health problems.
Musculoskeletal injuries: Due to improper lifting or working in unreasonable postures, leading to musculoskeletal problems.

To prevent these accidents, strict adherence to safety regulations and regular employee training are extremely important.

PART II: OCCUPATIONAL SAFETY AND HEALTH WHEN WORKING IN A CHARGER AND CHARGING CABLE MANUFACTURING PLANT

I. Occupational Safety and Health for Charger Casing Machining Staff

1. Job Characteristics of Charger Casing Machining

The charger casing machining stage is a crucial step in the production process, where plastic is molded or pressed to form the product’s shell. A prominent feature of this job is the requirement for precise temperature and pressure control. The plastic, carefully selected for its quality, will be fed into a mold or press. This process must be carried out under strict control conditions to ensure that the plastic flows evenly and that delamination or cracking does not occur. Excessively high temperatures can deform the plastic, while temperatures that are too low can prevent the plastic from filling the mold perfectly.

Similarly, uneven pressure can cause defects on the casing’s surface. Monitoring and adjusting these factors not only ensures that the charger casing meets quality standards but also helps to maintain production efficiency, minimizing waste of raw materials and time. The technicians must have a deep understanding of the process and machinery to ensure accuracy and consistency in each product.

2. Types of Occupational Accidents during Charger Casing Machining

During the process of machining charger casings, where plastic is molded or pressed into shape, many types of occupational accidents can occur if safety measures are not fully followed. One of the common accidents is burns from contact with molten plastic. Due to the very high temperatures in the molding or pressing process, not using appropriate protective equipment or carelessness in operation can lead to serious burns.

Machinery-related accidents are also a major hazard; for example, getting caught or entangled in a press due to a technical failure or lack of attention during operation. In addition, exposure to high pressure can cause injuries such as skin tears or fractures if the equipment is not properly maintained or when there is an incident in the production process. Controlling temperature and pressure is not only a technical factor but also an occupational safety issue; therefore, workers need to be fully trained and use personal protective equipment to minimize the risk of accidents.

3. Causes of Occupational Accidents during Charger Casing Machining

Occupational accidents in the charger casing machining stage often stem from various causes related to the production process and safety management. A major cause is a lack of precision in controlling temperature and pressure. When the temperature or pressure is not adjusted correctly, it can lead to plastic overflowing from the mold, causing risks of burns or equipment damage. Furthermore, operating machinery without adhering to safety regulations or without periodic maintenance also contributes to increasing the risk of accidents.

Technical failures such as malfunctions or mechanical errors can lead to unstable machinery operation, increasing the likelihood of an accident. In addition, a lack of training and awareness of the safety procedures of the workers is also an important factor. If workers are not fully equipped with knowledge on how to use the equipment and methods to protect themselves, the risk of an accident will be higher. To minimize these risks, there must be a close combination of maintaining the equipment in good condition, training employees thoroughly, and strictly controlling the production process.

4. Preventive Measures for Occupational Accidents during Charger Casing Machining

To prevent occupational accidents in the charger casing machining stage, implementing safety measures is extremely important. First, temperature and pressure control needs to be carried out accurately and continuously. It is necessary to equip modern measuring devices and maintain them periodically to ensure they operate stably and accurately. In addition, workers need to be fully trained on the work process and how to use safety equipment.

In particular, the use of personal protective equipment such as heat-resistant gloves and safety glasses is very necessary to protect the body from risks such as burns or injuries from machinery. Ensuring that all equipment and machinery are regularly inspected and maintained also helps to minimize the risk of failure, thereby preventing accidents. Finally, maintaining a clean and tidy work environment, while strictly adhering to safety regulations, contributes to creating a safe and effective workspace.

5. Occupational Safety Regulations for Charger Casing Machining

Occupational safety regulations in the charger casing machining stage are very important to protect the health and ensure the safety of workers. First, the processes related to temperature and pressure control must be carried out according to strict standards. This includes regularly checking and calibrating the measuring devices to ensure they are operating accurately. Workers must be well-trained on how to operate the machinery and the necessary safety measures. They need to be fully equipped with personal protective equipment such as heat-resistant gloves, safety glasses, and fire-resistant clothing to minimize the risk of burns or injuries. In addition, the regulations also require maintaining a clean and tidy work environment, minimizing the risk of slipping and falling or collision.

Periodic maintenance and equipment inspection procedures also need to be implemented to ensure all machinery is working well and not causing incidents. Adherence to these regulations not only helps to protect the health of workers but also ensures the production process is safe and effective.

6. Handling Emergency Occupational Accident Situations during Charger Casing Machining

When an occupational accident occurs in the charger casing machining stage, handling the emergency situation quickly and effectively is extremely important. First, as soon as an accident is detected, it is necessary to quickly stop the operation of the machinery and ensure that the incident area is isolated to avoid further danger to others. If the accident is related to burns from molten plastic, it is necessary to immediately use cool water to soothe the burned skin and to avoid direct contact with the still hot plastic. For other injuries, such as broken bones or cuts, basic first aid measures should be applied and the victim should be quickly transferred to the nearest medical facility.

In all cases, it is necessary to immediately notify the relevant departments and the emergency medical agency. At the same time, a detailed report on the incident should be made to investigate the cause and to implement preventive measures in the future. To ensure that these procedures are carried out correctly, workers should be periodically trained on accident handling methods and how to use first aid equipment.

II. Occupational Safety and Health for Component Assembly Staff

1. Job Characteristics of Component Assembly

The job of assembling components in the charger production process requires high precision and sophistication. In this stage, electronic components such as chips, power supplies, and other components are attached to the charger casing, requiring meticulousness and high technical skill to ensure they function correctly and meet quality requirements. Each component must be placed in the correct position and connected securely, because any error in the assembly process can lead to performance problems or product failure. The assembly process not only requires a high degree of concentration but also requires workers to use specialized tools and support equipment to ensure the component bonding process goes smoothly.

In particular, workers need to strictly follow the technical instructions and check regularly to detect and rectify errors right from the assembly stage. This not only helps to improve product quality but also minimizes the risk of product defects when it reaches the market.

2. Types of Occupational Accidents during Component Assembly

During the process of assembling components into the charger casing, some occupational accidents can occur if safety measures are not followed. A common type of accident is injury from tools and equipment. Workers can be injured when using sharp tools or electronic equipment, especially when not using protective equipment correctly. Other accidents may include problems related to electricity, such as electric shock from components that are not fully assembled or are damaged. While performing assembly, if attention is not paid to the correct connection of the components, it can lead to incidents such as getting a hand caught or being cut by sharp components.

Furthermore, assembling in an unclean environment can create a risk of slipping and falling or collision, causing injury to workers. To minimize these risks, workers need to be fully trained in occupational safety, use personal protective equipment, and maintain a clean and tidy work area.

3. Causes of Occupational Accidents during Component Assembly

Occupational accidents in the component assembly stage of the charger casing can arise from various causes. A major cause is a lack of attention during operation. When workers are not focused or are in a hurry, the risk of making mistakes in bonding components or using tools incorrectly will increase, leading to a risk of injury. The use of unsuitable tools or equipment is also an important factor; tools that are broken or not properly maintained can cause accidents such as cuts or impacts.

Besides, a lack of training on occupational safety and work procedures can lead to workers not knowing how to prevent potential risks, thereby increasing the likelihood of an accident. An unsatisfactory work environment such as a cluttered assembly area or poor lighting can also increase the risk of slipping and falling or collision. To minimize these risks, it is very important to comply with occupational safety regulations, use tools correctly, and maintain a clean work environment.

4. Preventive Measures for Occupational Accidents during Component Assembly

To prevent occupational accidents in the process of assembling components into the charger casing, it is necessary to apply some effective safety measures. First of all, workers should be well-trained on the assembly process and occupational safety regulations. The training not only helps workers to master the necessary techniques but also to be aware of the potential risks and how to prevent them. The use of personal protective equipment such as gloves, safety glasses, and a protective vest is very important to minimize the risk of injury from sharp tools and components.

Furthermore, it is necessary to periodically maintain and inspect the tools and equipment to ensure they are always in good working order. Damaged or inaccurate tools can cause serious accidents. It is necessary to maintain a clean and tidy work area to avoid situations such as slipping and falling or collision. Ensuring adequate lighting so that workers can easily monitor and perform their work accurately also helps to minimize errors. Finally, establishing and adhering to strict safety procedures in the assembly stage will help to protect the health of workers and improve product quality.

5. Occupational Safety Regulations for Component Assembly

Occupational safety regulations in the component assembly stage of the charger casing are an important factor in ensuring a safe and effective work environment. First, workers must be fully trained on the work processes and safety regulations, including how to use tools and equipment correctly. Each worker must wear full personal protective equipment, such as cut-resistant gloves, safety glasses, and a protective vest, to minimize the risk from sharp components or tools.

In addition, the tools and equipment must be periodically inspected and maintained to ensure they are working well and do not pose a risk of accidents. The work area needs to be kept clean and tidy, with adequate lighting so that workers can easily perform operations accurately. In particular, establishing and adhering to strict safety procedures in component assembly helps to prevent unforeseen incidents and to ensure product quality. The full implementation of safety regulations not only protects the health of workers but also improves production efficiency and minimizes incidents in the work process.

6. Handling Emergency Occupational Accident Situations during Component Assembly

When an occupational accident occurs during the process of assembling components into the charger casing, emergency handling is extremely important to protect health and ensure safety. Immediately after an accident is detected, it is necessary to immediately stop the operation of the machinery and notify the medical staff and the occupational safety department so they can provide timely support. For injuries from cuts or impacts, quickly check the victim’s condition and apply basic first aid measures, such as cleaning the wound and bandaging it if necessary. If there are serious symptoms such as electrical burns or severe injuries, an ambulance should be called immediately to transfer the victim to the nearest medical facility.

In parallel with handling the emergency situation, it is necessary to immediately check and determine the cause of the accident. This helps to identify the factors that may have led to the incident and to implement appropriate preventive measures in the future. Do not forget to make a detailed report on the incident to support the investigation and to improve the work process. Periodic training of workers on emergency situations and first aid methods is also an important part to ensure that they have sufficient skills to handle emergency situations effectively.

III. Occupational Safety and Health for Welding and Connection Staff

1. Job Characteristics of Welding and Connection

The job of welding and connecting electrical circuits and cables in charger production requires high precision and meticulousness to ensure the stability and performance of the product. In this process, electronic components are bonded together through welding techniques to create strong and reliable connections. The welding must be done carefully to avoid uneven or faulty welds, which can lead to problems in the product’s operation such as short circuits or loose connections.

To achieve good welding quality, workers need to work in an environment with controlled temperature and humidity, and at the same time use appropriate welding equipment and materials. Besides, it is very important to check and test the connections after welding to detect errors or problems that may occur early. The welding and connection process not only ensures that the components operate effectively but also affects the durability and lifespan of the final product. Therefore, workers need to be fully trained and work with high concentration to maintain quality and safety standards.

2. Types of Occupational Accidents during Welding and Connection

During the process of welding and connecting electrical circuits and cables, some occupational accidents can occur if safety measures are not followed. A common type of accident is being burned by heat from welding equipment or molten welding material. When using a soldering gun or other welding tools, workers can be burned if they are not careful. In addition, exposure to welding fumes and chemical vapors from the welding material can cause respiratory problems, leading to symptoms such as coughing or difficulty breathing.

There is also a risk of electric shock when working with electrical circuits, especially if the equipment is not properly insulated or is damaged. Other accidents may include being cut or stabbed by sharp tools or electronic components that are not properly protected. A poorly ventilated work environment or one that is overloaded with cables and equipment can also create a risk of slipping and falling or collision. To minimize these risks, it is necessary to take protective measures such as using personal protective equipment, maintaining a clean and well-ventilated work environment, and at the same time ensuring that workers are trained on safety procedures and how to handle emergency situations.

3. Causes of Occupational Accidents during Welding and Connection

Occupational accidents in the process of welding and connecting electrical circuits often stem from various causes. A major cause is a lack of attention or error in operation. When workers do not follow the work process or work in a tired state, the risk of errors such as incorrect welding or wrong connection can increase, leading to serious accidents.

The lack of safety of the equipment also plays an important role; welding tools that are not properly maintained or are unsuitable can cause accidents such as burns or electric shock. Furthermore, a poorly prepared work environment, such as one with inadequate ventilation, can lead to the inhalation of toxic welding fumes or cause respiratory problems. The lack of personal protective equipment is also a major risk factor, as workers are not protected from high temperatures, chemicals, and sharp materials. These factors combined can increase the risk of accidents, so it is very important to maintain a safe work process, properly maintain the equipment, and ensure a suitable work environment to minimize risks.

4. Preventive Measures for Occupational Accidents during Welding and Connection

To prevent occupational accidents in the process of welding and connecting electrical circuits and cables, it is very important to adhere to safety measures. First of all, workers need to be thoroughly trained on the welding and connection process, and at the same time understand the regulations on occupational safety. This training helps to raise awareness of the potential risks and how to handle them effectively.

The use of personal protective equipment is an important measure to protect workers from hazards. This includes heat-resistant gloves, safety glasses, and a respirator if necessary. Furthermore, it is necessary to ensure that the welding tools and equipment are always in good condition and are periodically maintained to prevent technical failures and accidents.

The work environment also plays an important role in preventing accidents. The work area needs to be kept clean and well-ventilated to minimize the risk of inhaling toxic welding fumes. It is necessary to establish firefighting measures and have first aid equipment ready to promptly handle emergency situations. Finally, the implementation of safe work processes and quality control of the connections after welding also helps to ensure the product meets the standards and minimizes the risk of accidents.

5. Occupational Safety Regulations for Welding and Connection

Occupational safety regulations in the process of welding and connecting electrical circuits and cables are very important to ensure the safety of workers and the quality of the product. Before starting work, workers must be fully trained on the welding process, including precise welding techniques and necessary protective measures.

Workers must use full personal protective equipment, such as heat-resistant gloves, safety glasses, and a respirator if necessary, to protect themselves from hazards such as thermal burns, welding fumes, and electric sparks. The welding equipment and tools must be periodically inspected and maintained to ensure they are working properly and safely.

The work environment also needs to be strictly controlled; the welding area must be well-ventilated to minimize the risk of inhaling toxic fumes. The regulations on fire safety must also be followed, and firefighting equipment should be readily available in case of necessity. Furthermore, organizing periodic safety inspections and assessments helps to ensure that safe work processes are being implemented and updated in a timely manner. Adherence to these regulations not only helps to protect the health of workers but also improves the efficiency and quality of the product.

Perform tests at occupational safety centers to obtain an occupational safety certificate. From there, workers will have a clear understanding of safety knowledge as well as a valid certification for work.

6. Handling Emergency Occupational Accident Situations during Welding and Connection

When an occupational accident occurs during the process of welding and connection, handling the emergency situation promptly is very important to protect the health of the worker and to minimize damage. If an incident such as a thermal burn occurs, the worker should immediately wash the burned area under cool water to cool it down and reduce pain, then seek medical assistance if necessary.

In case of an electric shock, it is necessary to immediately cut off the power source and use an insulating device to approach the victim. Do not touch the electrocuted person directly if the power has not been cut off, and call for an ambulance immediately for assistance. For problems related to inhaling toxic welding fumes, the worker should immediately move out of the contaminated area and seek fresh air. Medical care should be provided to those with symptoms such as difficulty breathing or a persistent cough.

In addition, it is very necessary to organize training sessions on first aid procedures and emergency response for all employees. Ensure that all workers know how to use first aid equipment and the steps to be taken in an emergency. Planning and being fully prepared for emergencies will help to minimize risks and protect the safety of everyone in the work environment.

IV. Occupational Safety and Health for Quality Control Staff

1. Job Characteristics of Quality Control

In the quality control stage, the product is rigorously tested to ensure it meets the standards for functionality and durability. This process includes measuring and evaluating important parameters such as voltage, temperature, and the product’s load-bearing capacity. The testing equipment used must ensure high accuracy, and the workers performing the tests need to have solid professional knowledge to detect any abnormalities.

A voltage check helps to ensure that the product operates stably and does not pose a risk of electric shock or system failure. A temperature check is necessary to determine the product’s heat resistance, ensuring it operates effectively in different environmental conditions. An assessment of the load-bearing capacity ensures that the product can withstand the designed load level without any performance or damage issues.

This testing process not only helps to identify potential defects but also ensures that the final product meets the quality requirements before being released to the market. Therefore, quality control plays a key role in maintaining the product’s reputation and protecting consumer safety.

2. Types of Occupational Accidents during Quality Control

Many types of occupational accidents can occur during the product quality control process if strict safety measures are not followed. One of the common accidents is electric shock when performing voltage tests. Direct contact with high-voltage components without using protective equipment or not turning off the power before testing can cause serious injuries.

In addition, workers may suffer burns from high temperatures when performing temperature-related tests. These accidents often occur when in contact with hot elements or not wearing appropriate protective gloves.

Another type of accident is mechanical problems, such as being injured by impact with testing equipment or when the product being tested falls. This can happen if there are not adequate protective measures or workers do not follow the safety procedures when handling the testing equipment.

These accidents not only cause injury to the health of workers but also affect the efficiency of the inspection and the quality of the final product. Therefore, it is very important to implement safety preventive measures to minimize the risk of accidents in the quality control process.

3. Causes of Occupational Accidents during Quality Control

Occupational accidents during the quality control process often occur for a number of basic reasons. A common cause is a lack of adherence to safety procedures. When workers do not follow the correct inspection steps or do not use the necessary protective equipment, the risk of incidents such as electric shock or thermal burns will increase significantly.

Equipment failure is also an important factor. If the testing equipment, such as a voltmeter or a temperature measuring device, is not periodically maintained or is damaged, it can cause serious accidents. A faulty device can lead to electric shock, incorrect parameter measurement, or other incidents that directly affect the health of workers.

Furthermore, the human factor also contributes significantly to causing accidents. Inexperienced workers or those who have not been fully trained on how to use safety testing equipment may perform incorrect operations or encounter an emergency situation without knowing how to handle it.

Finally, an unsafe working environment is also a major cause. A quality control area that is not reasonably arranged, lacks lighting, or has inadequate ventilation can increase the risk of accidents. To minimize these risks, it is extremely important to implement safety measures and provide full training to employees.

4. Preventive Measures for Occupational Accidents during Quality Control

To prevent occupational accidents in the quality control process, it is necessary to implement some strict safety measures. First, workers need to be fully trained on the inspection procedures and the use of safety equipment. The training not only helps workers to master the skills to perform inspections but also equips them with knowledge of protective measures when working with electrical equipment and high temperatures.

The use of personal protective equipment is extremely important. Workers should always wear electrical insulating gloves when working with voltage testing equipment and use safety glasses to protect their eyes from bright light or dust. For high-temperature tests, it is advisable to equip heat-resistant gloves and appropriate protective clothing.

In addition, the periodic maintenance and inspection of the testing equipment is necessary to ensure they are functioning correctly and not causing incidents. The equipment should be regularly inspected, maintained, and repaired to avoid the risk of failure and accidents.

It is also advisable to ensure the work area is always clean and reasonably arranged. Arrange the equipment scientifically, ensure adequate lighting and good ventilation to minimize the risk of incidents. Creating a clear work process and encouraging the reporting of incidents as soon as they are detected is also an effective way to improve the work environment and prevent accidents.

Complete the occupational safety training course to be issued an occupational safety card by the occupational safety training center to strengthen your records in accordance with regulations when working.

5. Occupational Safety Regulations for Quality Control

When performing quality control on products, adherence to occupational safety regulations is very important to protect the health and safety of workers. One of the basic regulations is to ensure the use of appropriate personal protective equipment. Workers must wear electrical insulating gloves when working with voltage testing equipment, use safety glasses to protect their eyes from bright light or dust, and wear protective clothing when performing high-temperature tests.

The testing equipment needs to be periodically maintained and inspected to ensure they are operating correctly and not causing incidents. The equipment inspection and maintenance process must be carried out by people with expertise and in accordance with the manufacturer’s regulations. This helps to minimize the risk of failure and accidents due to the equipment not working properly.

The regulation on the safety of the work environment is also equally important. The inspection area must be neatly arranged, have adequate lighting and ventilation. The work processes must be clearly established and the workers need to be fully trained on the safety steps in the product inspection process. Besides, having rescue equipment and an emergency response plan is also an indispensable part of the occupational safety regulations. These measures help to ensure a safe and effective work environment, and at the same time protect the health of workers.

6. Handling Emergency Occupational Accident Situations during Quality Control

When an occupational accident occurs during the quality control process, timely and effective handling is very important to minimize damage and protect the health of workers. First, in case of an electric shock, the worker should immediately cut off the power source and call for an ambulance. While waiting for help, they should check the victim’s condition and provide basic first aid if possible, such as performing CPR if the victim stops breathing.

If the accident is related to a thermal burn or chemical exposure, it is necessary to quickly move the victim away from the heat source or chemical. Wash the burned area under cool water for at least 20 minutes and avoid using methods such as applying cream or using ice directly on the burned area. In case of chemical exposure, it is necessary to wash it off immediately with plenty of water and change the clothes that have been contaminated with the chemical.

At the same time, it is necessary to immediately notify the medical and occupational safety department of the company to handle the situation and record the details of the accident. After the incident is resolved, an investigation should be conducted to determine the cause and update the safety procedures to prevent similar accidents in the future. Ensure that all emergency handling procedures and measures are mastered and regularly practiced by the workers to improve their response capabilities in emergency situations.