Residential service
Generator installation in Charlotte, NC
Generator installation connects a portable or standby generator to your home's panel so it can power circuits safely during an outage. Lightning Power Electric installs generator inlets with interlock kits, manual and automatic transfer switches, and the wiring for standby generators in Charlotte, with the permit and inspection handled.
What’s included
There are two honest ways to back up a house. A portable generator feeding an inlet and interlock runs the essentials for a fraction of the cost. A standby generator with an automatic transfer switch starts itself and runs more of the house. We wire both, and we will tell you which one fits how you actually live.
- Portable generator inlet boxes with panel interlock kits
- Manual transfer switches and critical-loads sub-panels
- Automatic transfer switch wiring for standby generators
- Load calculation to size the generator to the house
- Coordination with your gas fitter and generator supplier
Signs you need it
- You own a portable generator and run it through extension cords
- Outages take out a sump pump, well pump, medical equipment, or a home office
- You are buying a standby generator and need the electrical side done
- Someone suggested a double-male 'suicide cord' (do not use one)
How the job goes
- 1
Decide what has to stay on
We list the circuits you need in an outage and run a load calculation. That number picks the generator size, not the other way around.
- 2
Pick the connection
Interlock and inlet for a portable unit, or a transfer switch for a standby unit. We explain the trade-offs in plain terms.
- 3
Install
Inlet or transfer switch mounted, wiring run in conduit, panel labeled. For standby units we coordinate with the gas fitter and the supplier's placement requirements.
- 4
Inspection and a live test
The county inspects the work, then we run the generator under load with you so you know the start-up steps before you need them.
What it costs in Charlotte
We bill hourly, billed in 15-minute increments, plus parts. No flat-rate menu, because no two buildings are wired alike. You get a realistic time estimate before we start and an itemized invoice when we finish.
What moves the price
- Portable inlet and interlock versus a standby unit with an automatic transfer switch
- Generator size, set by the load calculation
- Distance from the generator location to the panel and to the gas meter
- Whether the existing panel accepts a listed interlock kit
Text German a photo and a short description for a time estimate.
Permits and inspection in Mecklenburg County
Permit needed: Yes, permitted and inspected
Connecting a generator to a home's wiring needs an electrical permit and inspection through Mecklenburg County Code Enforcement. A standby generator on natural gas or propane also needs gas piping by a licensed gas contractor, permitted separately. We handle the electrical permit and coordinate the rest.
Common questions
Both stop generator power from feeding back into the utility lines. An interlock is a sliding plate on your existing panel that lets you choose utility or generator and pick circuits by hand. A transfer switch is a separate device, manual or automatic, that moves selected circuits or the whole house to generator power.
No. Backfeeding through an outlet energizes the utility lines outside your house and can kill a lineworker, and it will damage the generator when utility power returns. A proper inlet with an interlock or transfer switch is the legal way to do it.
It depends on what you want running. Essentials such as the refrigerator, a few lights, internet, and a gas furnace blower need far less than central air and an electric range. We calculate the load for the circuits you choose and size from there.
We do the electrical installation. You can buy the unit from a dealer or home center, and we install and wire whichever listed brand you choose.
One text. One conversation. One bill.
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