Electric Power and Control Panel Manufacturing Workers Compensation (class code: 3643) Insurance

What is Electric Power and Control Panel Manufacturing Workers Compensation (class code: 3643)?

Class code 3643 applies to businesses involved in the manufacturing of electric power and control panels, including motor control centers and switchgear assemblies. Workers compensation insurance for this classification provides coverage for job-related injuries or illnesses that employees may suffer while working in environments with electrical components, heavy machinery, and fabrication tools.

Due to the nature of this industry, employees may face several operational hazards such as electrical shock, repetitive motion injuries, burns, or accidents from handling heavy panels and equipment. Ensuring proper coverage is essential to protect both workers and employers.

Who needs it

This coverage is essential for manufacturers, panel builders, and electrical fabrication shops that employ workers involved in assembling, wiring, and testing electric control systems. It’s also relevant for contractors or firms that produce custom panels for industrial, commercial, or utility use.

In many states, businesses with employees are legally required to carry workers compensation insurance, making it a compliance necessity as well as a risk management tool.

What it typically covers

Workers compensation policies under class code 3643 generally include:

  • Medical expenses for work-related injuries or illnesses
  • Lost wages due to temporary or permanent disability
  • Rehabilitation services and ongoing care
  • Employer liability for certain injury-related lawsuits

For example, if a technician suffers a hand injury while installing circuit components, workers comp can help cover medical costs and recovery time.

Common exclusions or limitations

While workers compensation is comprehensive, it does not cover injuries that occur outside of work duties, those caused by intoxication, or incidents resulting from employee misconduct. Additionally, injuries sustained while commuting are generally excluded.

Factors that influence cost

Premiums for class code 3643 vary based on several underwriting factors, such as:

  • Number of employees and total payroll
  • Past claims history
  • Workplace safety programs in place
  • Nature and complexity of manufacturing operations

Implementing safety training and using protective equipment can help reduce risk and potentially lower premiums over time.

Proof of insurance & compliance

Once a policy is secured, employers receive a certificate of insurance, which serves as proof of coverage. This document may be required for licensing, contracts, or vendor relationships. Maintaining continuous coverage helps businesses stay compliant with state labor laws and avoid penalties.

How to get a quote

To explore your options and get a tailored quote for Electric Power and Control Panel Manufacturing Workers Compensation under class code 3643, visit our quote page. Our licensed specialists can help assess your risks and find the right coverage for your operation.

Related industries such as Power Supply Manufacturing and Audio-Visual Products Manufacturing may also require similar workers compensation protections due to similar exposures to electrical equipment and manufacturing tools.

Frequently Asked Questions

Is workers compensation mandatory for panel manufacturers?

In most states, businesses with employees are required to carry workers compensation insurance, including those in electrical manufacturing.

What types of injuries are most common in this industry?

Common injuries include electrical shocks, burns, cuts, and musculoskeletal issues from repetitive tasks or lifting heavy components.

Can subcontractors be covered under my policy?

Typically, subcontractors need to carry their own coverage, but it’s best to verify with your insurance provider based on your arrangement.

How do I lower my workers comp premium?

Maintaining a clean claims history, implementing safety programs, and following best practices in manufacturing can positively impact your rates.

What happens if I don't carry workers compensation?

Failure to carry required coverage can result in fines, penalties, and exposure to lawsuits in the event of a workplace injury.

Still have questions? Talk to a local insurance expert.

Partners, Programs & Market Access


We maintain relationships with nationally recognized and specialty-focused insurance providers that actively underwrite this class of business. Our network includes both admitted and non-admitted markets, allowing us to match risks—from straightforward accounts to more complex or hard-to-place exposures—with appropriate underwriting partners.


Program availability, coverage terms, and underwriting appetite can vary based on operations, location, and loss history, so access to multiple markets is key to securing the right fit. This approach helps ensure broader coverage options and more competitive placement across a range of risk profiles.



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