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Veteran Owned + Operated

Fort Myers, Florida
(239) 362-2502

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Commercial Electrical Services FAQs: Answers from a Master Electrician | CoHarbor Electric

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Commercial Electrical Services FAQs: Real Answers from a Fort Myers Electrician

If you run a business in Fort Myers, you already know that electricity keeps everything moving. It’s what powers your lights, computers, coolers, and the equipment your team relies on every single day.

At Coharbor Electric, we work with all kinds of local businesses — from small shops and restaurants to offices, medical practices, and light industrial spaces. We get a lot of questions from business owners who just want straight answers about their electrical systems.

Here are the most common ones — and what you really need to know.


1. What’s the difference between residential and commercial electrical work?

They might look similar on the surface, but commercial electrical work is on a whole different scale.

Commercial systems are built to handle bigger loads, run longer hours, and power heavy-duty equipment. They often include:

  • 3-phase power for larger systems

  • Backup generators and transfer switches

  • Exit and emergency lighting

  • Sign and parking lot lighting

  • Fire alarm integration

  • Security and access wiring

It’s not just about pulling wire — it’s about designing a system that runs safely and reliably in a business environment, with all the right permits and inspections.


2. What types of commercial projects do you handle?

Pretty much anything with power running through it. Some of our common projects include:

  • Tenant build-outs and remodels

  • Restaurant and retail wiring

  • Office and medical space upgrades

  • Panel replacements and 3-phase conversions

  • Lighting design and installation

  • Warehouse and light industrial power

  • Preventive maintenance and troubleshooting

We’ve worked on everything from small cafés on McGregor Blvd to large complexes off Colonial.


3. How do I know if my building needs an electrical upgrade?

A few signs usually give it away:

  • Breakers trip when you’re busy

  • Lights dim when equipment turns on

  • Outlets buzz or feel warm

  • Old fuse panels or aluminum wiring

  • Corrosion inside your panel

  • You’ve added new equipment without new circuits

If you’re seeing any of that, it’s worth having your system checked. We’ll run a load calculation to see if your panel can still keep up — and if not, we’ll design a solution that fits your building and your budget.


4. How often should I have my electrical system serviced?

For most commercial properties, once a year is a good rule of thumb.

If you’re running heavy equipment, refrigeration, or 24-hour operations, every six months is safer. Regular maintenance helps prevent outages, overheating, and those Friday-afternoon surprises that shut you down before the weekend.

Annual checks keep most systems humming—but retail spots need more. Stay outage-free in your Fort Myers store with our Maintenance Plans for Retail.


5. What exactly is a load calculation?

Think of it like checking your electrical “budget.”

A load calculation tells us how much current your business actually uses and how much your system can safely handle. It’s how we make sure you’re not overloading your circuits — or wasting power.

We run these anytime a business is adding equipment, expanding, or upgrading their panel.

Get the full breakdown for your business in our Load Calculations 101.


6. Do I need permits for commercial electrical work in Fort Myers?

Yes — almost always.

That includes new circuits, panel upgrades, remodels, signs, and generator installs. We handle all the permitting and inspection work directly with the City of Fort Myers or Lee County, so you don’t have to deal with the red tape.


7. Why is 3-phase power better for commercial buildings?

3-phase power delivers smoother, more efficient electricity — which means:

  • Less strain on motors and compressors

  • Lower energy costs

  • Better performance for heavy equipment

  • More capacity for future growth

If your shop or facility is still running on single-phase, upgrading can make a big difference in reliability and cost.

Amp ratings explained in our Electrical Panels FAQ.


8. How can I prevent electrical fires in my building?

Most electrical fires start small — from loose connections, worn wires, or old breakers that don’t trip properly.

Here’s what helps prevent them:

  • Yearly inspections

  • Replacing outdated panels (like Federal Pacific or Zinsco)

  • Installing AFCI breakers where needed

  • Keeping panels dry, clean, and accessible

  • Using thermal scans to catch hotspots early

We include these checks in all of our maintenance plans.


9. What’s involved in a commercial build-out or renovation?

Every build-out starts with a load assessment and design. Then we handle wiring, lighting, outlets, panels, and permits — coordinating with your contractor and city inspectors along the way.

Once the rough-in work passes inspection, we trim it out, test every circuit, and make sure everything meets code before you open your doors.


10. Do you offer emergency service?

Absolutely. Power problems don’t care about business hours.

We offer 24/7 emergency electrical service across Fort Myers and Lee County for:

  • Breaker or panel failures

  • Equipment outages

  • Storm-related damage

  • Power loss during operating hours

Our techs respond fast — we know every minute counts when your business is down.

Timeline for your office in our Repair FAQ for Businesses.


11. Do upgrades help with insurance or inspections?

Yes, and in a good way.

Insurance companies love to see modern, code-compliant electrical systems. Upgrading panels, wiring, and safety devices can lower your fire risk — and sometimes even your premiums.


12. Do I really need surge protection?

If your business runs electronics — and especially if you’re in Fort Myers — then yes.

Lightning strikes and grid surges happen here all the time. A single spike can fry computers, point-of-sale systems, or refrigeration controls. We install commercial-grade surge protectors that shield your main panel and sensitive gear.

Keep your clinic running with our Emergency Power Strategies.


13. What should I look for in a commercial electrician?

Here’s what matters most:

✅ Proper licensing and insurance
✅ Real experience with commercial systems
✅ Knowledge of local codes
✅ Transparent pricing and communication
✅ Good reputation and references

At Coharbor Electric, we check every box — and we stand behind our work.


14. Where do you work?

We handle projects throughout:

  • Fort Myers

  • Cape Coral

  • Estero

  • Bonita Springs

  • Naples

  • Fort Myers Beach

If it’s in Lee or Collier County, chances are we’ve worked nearby.


15. Why businesses trust Coharbor Electric

Fort Myers business owners like working with us because we’re local, reliable, and straight-shooting. We use materials built for Florida’s salt-air climate and handle everything — from permitting to final inspection — in-house.

We offer:

  • Licensed master electricians

  • Preventive maintenance plans

  • Generator installs and service

  • Surge and lightning protection

  • 24/7 emergency response

Whether you’re building out a new space or updating an old one, we’ll help you keep your business powered safely and up to code.


Final Thoughts

Commercial electrical systems are complicated, but keeping them reliable doesn’t have to be. You just need a partner who knows what they’re doing — and who actually answers the phone when you call.

📞 Contact Coharbor Electric today to schedule a service or consultation.
We’ll help your Fort Myers business stay powered, safe, and ready for whatever comes next.

SERVICE AREA

Serving Southwest Florida including: Fort Myers, Naples, Cape Coral, and more...

Serving Clients Throughout SWFL
Since 2010

Upfront pricing

Get clear, menu-based pricing before work begins--giving you more control to fit your needs and budget.

PRO ELECTRICIANS

Highly-trained & experienced Electricians. Fully vetted and background-checked. Ready to exceed your expectations.

LICENSED + INSURED

Serving SWFL customers for 13+ years. Licensed and Insured throughout Florida.
EC13004475. EC13012422.

Trusted by

Proud to be the preferred electrical contractor for:

  • Real Producers of SWFL
  • Premiere Plus Realty – #1 Largest Real Estate Company in SWFL
Our process

WHAT YOU CAN EXPECT

At Coharbor Electric, this is what to expect when entrusting us with fixing your electrical issues.

01.

ASSESSMENT

The first step is to get all the information we will need so that we can correctly assess the problem or situation. The photos or videos you send will be sent directly to the electrician.

02.

DISPATCH ELECTRICIAN

Once our electrician has the info he needs, we will dispatch one in the next available spot–armed with expertise, equipment, and the parts he’ll most likely need.

03.

REPAIR/ REPLACE/ INSTALL

Our Promise is to to You is to perform the job completely, efficiently, and to the Florida electrical code standards. We are committed to fair and honest pricing. 

Our pricing

WHAT DO WE CHARGE?

We offer flat rate pricing for service calls, so you always know the price up front. Simple to understand. Flat-rate fixed price so you can be confident you’ll get what paid for. 

31

Years of experience

WHY US?

As a Florida homeowner, you have an endless list of choices for electrical contractors to hire…some great, some good, some bad. 

At Coharbor Electric, our benchmark is to be “great”.  If you decide to hire us for your electrical service, here’s what you can expect from our electricians:

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