Running Wire Through Metal Siding

Fasten the cable with clamps.

Running wire through metal siding.

Running wires inside rigid metal conduit rmc is a little more expensive than burying underground feeder cable uf but it saves labor. Metal naturally conducts electricity so to safely run wires through a metal building you have to protect the wires from wear. A loop provides extra length for minor repairs or rerouting later. There are two ways to run electrical wiring on the exterior walls of a house or other structure.

One method is to run individual wires. The metal opening is 1 4 1 2 inch wider than the 2 5 3 inch conduit allowing weather to infiltrate area. The proper way to run wiring on the exterior wall of a house. Do this by running them through metal conduits.

Use wire stripped to strip 1 2 inch of insulation from each individual wire. Using these separate 6 inch wires attach the bare copper wire to the green screw on the bottom of the outlet. Rather than tear out walls or spend weeks fishing. With an enormous amount of pvc sizes and fittings you can run electrical wire outside and up a tree should you choose to.

A favorite target of electrical inspectors is the improper use of non metallic cable nm in exposed locations such as basement foundation walls or along the face of studs and joists in unfinished framed spaces. It also forces water to drip off the cable rather than follow the cable into the wall. A bushing seals around the cable and protects it from the sharp edges of the siding. To prevent electrical shock properly grounding your electrical system is important especially in a metal building.

Cut a separate piece of cable about 6 inches long. Using metal conduit means less digging. The metal siding has a electrical conduit penetrating the tin vinyl board and batten siding on the east west north south wall exposure yada yada the main conductors are insulated so we see no concern. Old wiring can present a fire hazard but is extremely expensive and complicated to replace.

This is because the top edge of rmc has to be only six inches below the surface of the ground while uf must be buried 12 inches deep deeper in some situations. Step 1 drill a hole through your structure where you will supply your power. Remove the sheathing and strip 1 2 inch of insulation from the end of the black wire and white wire.