Hold the outside outlet box against the exterior wall where you plan to hang it checking to make sure the box covers.
How to install outside receptacle on siding.
Make the wire connections between the cable and a gfci outlet.
Screw the outlet to the box then apply a bead of silicone around the face of the box.
Retrofitting an outdoor outlet is a bit more work than an indoor outlet especially if you live in a brick house like i do.
Cut a mounting block out of 1 inch lumber to mount a fixture on vinyl or clapboard siding.
Screw on the box cover.
Install the outdoor box cover as directed by the manufacturer.
If you don t want to cut a hole for a recessed electrical box you can skip this step.
How to add a household outlet or receptacle to a house outside wall etc.
Join the pigtails and the circuit ground wire.
Beginning at the hole you drilled use the keyhole or saber saw to cut around the outline.
Tape the end of the remaining wire to the end of the sheathing forming a loop.
Then strip about two feet of sheathing off the end of the cable and cut off two of the three wires.
Start by removing a knockout in the box by hitting it with a screwdriver.
From inside the garage install a cable connector onto the main electrical box.
Run cable from the interior box to the hole in the exterior.
If the outdoor box is metal install two grounding pigtails connecting one to the box and one to the ground screw on the gfci outlet.
Tuck the wires neatly into the box and secure the outlet to the box using the provided screws.
I have seen plenty of guides online with straightforward techniques to add a plug on siding exteriors but never found a good guide for a brick exterior.
Be sure to get an outlet box that s meant for exterior use.
Pass the cable end through the connector then tighten the connector.