Join the conduit to fittings with special PVC cement made for electrical PVC conduit (Photo 1). Use PVC male adapters and metal locknuts to connect the PVC conduit to metal boxes (Photo 2).

Conduit Adapters Cut holes in the bottoms of the barrels with a 2-1/4-in. hole saw. Then screw in a 2-in. male threaded electrical (gray PVC) conduit adapter (electrical adapters aren’t tapered ...