Pass the cable end through the connector then tighten the connector.
How to wire in an outside socket with siding.
Attach the bare copper grounding wire to the green screw of your new exterior gfci outlet.
You can hide it later with the outlet cover plate.
Bend the end of the white wire into a small circle with a pair of needlenose pliers.
Remove 3 4 inches of insulation from the individual wires.
Drill through the wall and through the siding to mark the location for the new outlet.
Squeeze the bit between the box and the drywall.
Remove the outer jacket from the cable ends using the cable ripper or the utility knife.
To make the connections in the junction box.
Trim the exterior end of the cable so that you have 4 inches sticking out of the electrical box.
Screw on the box cover.
Use wire strippers to strip 1 2 inch of insulation from each individual wire.
Secure the white wire around the silver neutral screw.
Remove the cable sheathing down to 1 2 inch.
From inside the garage install a cable connector onto the main electrical box.
The green screw is typically on the bottom of the outlet.
Tighten the screw with a screwdriver to secure the wire in place.
How to install an outdoor electrical socket this video shows how any competent person with a reasonable amount of diy skills can easily fit an outdoor socket.
Loop the wire around the silver screw on the opposite side of the outlet so it goes clockwise.
Place a 1 4 x 18 in long drill bit along the outside of the electrical box on the side away from the stud.