ARC Signature No. 005

50-amp generator inlet and interlock in Holly Springs

So a portable generator can safely power this 2023 Holly Springs home in an outage: a 50-amp inlet on the outside wall and an interlock fitted to the exact panel inside.

  • TownHolly Springs
  • AreaRegency
  • Home built2023
  • CompletedSeptember 2026
  • ElectricianMateo

The story

What the homeowner called about

He wanted a 50-amp inlet installed so he could plug in his portable generator during a power outage.

What we found

We walked the outside of the house with him and put the inlet where it would be easiest to use in an outage.

What we couldn't know until we got there

Which interlock to use. Interlocks are made for specific panel brands and models, so we identified the panel on site before fitting the correct one.

The options we gave him

A written price for the inlet and the matching interlock.

What he chose, and why

He went ahead with the inlet and interlock.

Why the interlock matters: it physically stops the main breaker and the generator breaker from being on at the same time, so generator power can't feed back onto the utility lines, where line crews may be working.

Before, during and after

Photos from the job itself. Tap any photo to see it larger.

Side of a 2023 home in Holly Springs, NC before a generator inlet was installed
Outside wall before, by the meter
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Eaton electrical panel before a generator interlock was fitted
The panel before the interlock
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Open electrical panel during wiring of a 50-amp generator inlet circuit
Wiring the generator circuit into the panel
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50-amp generator inlet box being wired on the outside wall of a home
The 50-amp inlet box going in
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Generator interlock kit installed on an Eaton panel cover
Interlock fitted on the panel
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Finished 50-amp generator inlet below the meter with the generator cord connected
Finished inlet, ready for the generator cord
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The work

  • Installed a 50-amp generator inlet on the side of the home
  • Fitted the matching interlock on the panel for safe use
  • Pulled the permit; the work passed Town of Holly Springs inspection

Quoted free and in writing before we started, and backed by our 5-year workmanship warranty. That's the ARC Promise.

Signed,

Mateo

Lead electrician, ARC Electric · NC License #29565
ARC Signature No. 005 · September 2026

Our work is our Signature.

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