Running Underground Cable (DIY) - Family Handyman
2021-11-29u2002·u2002A cable clamp for running cable through the back of the box from the garage outlet. Use duct seal putty to seal the wall penetration hole to keep moisture out of the box. 'Schedule 80' PVC (1/2-in.) conduit, elbows and couplings for containing the wires and connecting the exterior boxes. Use PVC cement for joining the parts.
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