Electrical wiring that needs to run from your house to an outlet box for outdoor lighting requires the use of conduit. Conduit can be metal and non-metal. One type of non-metal conduit you can use is PVC pipe. However, to protect wiring and connectors you may want to use rigid steel conduit. To do this you need to first determine where the wiring needs to exit the house.
- Skill level:
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Things you need
- Power drill
- LB fitting
- ¾" by ½" reducing bushing
- ½" compression connector
- 90 degree sweep fitting
- Masonry screws
Drill a ½-inch hole through the rim joist that is in between the foundation and first floor of your house with the power drill.
Cut a section of conduit that is the width of the foundation plus 3 inches with the hacksaw.
Attach a reducing bushing and compression connector into a hole that at the top of the LB fitting. Insert one end of the conduit into the hole. Tighten the compression connector with the wrench.
Insert the conduit into the hole until the LB fitting is flush with the outside wall. At least 1-inch of the conduit needs to extend through the inside of the wall.
Dig a trench from the LB fitting to where the outlet box is located. This trench needs to be 24 inches deep and the width of a shovel.
Cut a 6-inch section of conduit and attach it to the end of the 90 degree sweep fitting. Attach the other end of the conduit to the bottom of the LB fitting. The end of the 90 degree sweep fitting needs to lay at the bottom of the trench.
Place a steel conduit strap over the conduit and secure it to the foundation with masonry screws using the power drill.
Measure and attach lengths of conduit together from the 90 degree sweep fitting to reach the outlet box.
Tips and warnings
- Remove burrs from the cut end of the conduit with a pair of pliers.
- Apply caulking around the conduit where it enters the house.
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