The Tool Barn

Exterior Electric Outlet

Adding an exterior electric outlet to your house is a great addition. While local building code may only require one outlet, it is convenient to have several in order to plug in your weed trimmer, radio or other appliances. GFCIs (Ground Fault Circuit Interrupters) are required in many locations, particularly where water and electricity may meet. The NEC (National Electrical Code) requires GFCIs in kitchens, bathrooms, garages and outdoor locations.

Layout exterior outlet
Items needed:
Screw driver
Wire strippers
Electric drill and bits
Reciprocating saw or keyhole saw
Utility knife
Electric box
Electric cable/wire
Weather proof outlet cover plate
Accessory, vinyl outlet trim
GFCI outlet receptacle
Wire nuts
Wire staples
Safety Suggestions and Tips
Be sure power is off
Use sharp utility knife
Run on separate circuit, if possible
Comply with local electrical codes
Level of difficulty

Time Required:
 4 hour


Interior location
Locate interior access point for outlet

Step 1:

The first step is to locate a place which you can access both from exterior and interior. Be sure to choose a location high enough above the ground or deck which will not be buried by snow and away from blowing rains. GFCI outlets are available in 15 and 20-amp. It's wise to to use 20-amp to allow you to plug in power tools. Don't be cheap, get a good one, like the locking model from Leviton.

Pile topsoil
Lift siding by unlocking tabs

Step 2:

With vinyl siding, you will need to unlock the tabs and lift the siding.

Culvert pipe
Score and cut with utility knife

Step 3:

With the edges of the cutout traced on the vinyl siding, score the siding. Continue to cut through with utility knife.

Ditch for culvert
Trim excess siding with snips

Step 4:

You can use snipsto trim excess to fit the vinyl trim piece. Leave at least a 1/8" gap to allow for expansion as the outer ring will cover this.

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