The commercial electrical subpanel is integral to your business’s electrical system. It is responsible for distributing power to all your business’s different electrical circuits. It may be time for an upgrade, depending on the age and condition of your current panel. Over time, the subpanel can become worn out and needs to be replaced.

Here are some signs that you should replace your commercial electrical subpanels:

Your Business Is Growing, and You Need More Power

If your business is expanding and you need more power than your current electrical panel can provide, then it may be time to upgrade to a new one. A commercial electrician can help you determine the size and type of panel best suits your needs.

Your Current Panel Is Outdated

If your commercial electrical panel is over 20 years old, it may be time to replace it. Technology has taken a long path in the past few decades, and your electrical system should keep up with the times.

Your Current Panel Is Not Adequate for Your Needs

If your business has grown and your current electrical subpanels can’t handle the increased demand, it’s time to replace it. Adding additional circuits to your existing panel is not recommended and can be dangerous.

You’re Constantly Blowing Fuses or Tripping Breakers

If you constantly have to reset breakers or replace fuses, that’s a sign that your current panel is inadequate for your needs. This can be begun by several factors, including outdated wiring or overloaded circuits.

You Witness Flickering or Dimming Lights

This can signify a loose connection in the subpanel. Over time, these connections can become corroded and cause problems.

You Notice Some Burning Smell

If you smell burning from the sub panel, it’s a sign of an electrical problem. This could be a fire hazard, so it’s essential to check it out immediately.

You Can See Discoloration

If the sub-panel is discolored, it’s a sign of overheating. This can be caused by various things, such as loose connections or an overloaded circuit.

The Panel Is Making Strange Noises

If your electrical panel is making strange noises, such as buzzing or humming, it’s a sign that there could be a problem. It’s best to inspect it with a commercial electrician to determine the cause of the noise and see if the panel needs to be replaced.

Your Panel Is Damaged

If your panel is damaged, it’s time to replace it. Damaged electrical subpanels can pose a serious fire hazard.

The Panel Is Hot to the Touch

If your electrical panel is hot to the touch, it’s a sign that there is excessive heat build-up. This can be caused by various things, such as overloaded circuits or faulty wiring. Either way, it’s a serious issue that requires to be addressed by a professional.

If you recognize these signs, replacing your commercial electrical subpanels is best. A new subpanel will help keep your business’s electrical system running smoothly and prevent future power outages.


It is essential to know when to replace the commercial electrical subpanel to keep your business running smoothly. Replacing the subpanel can be expensive, so it is vital to ensure it is necessary. Sometimes, it may be possible to repair the existing subpanel instead of replacing it. However, if the subpanel is damaged beyond repair, it is necessary to replace it to maintain a safe and functional business.

PowerMaster Electric is the best choice for Raleigh and surrounding electrical contractors. Our highly skilled and experienced team is dedicated to providing the best possible electrical subpanel installation, maintenance, and repair to our customers. If you need any electrical work done, don’t hesitate to contact us. We’ll be happy to help you out.