1-1/2" deep 4" round weatherproof boxes with (5) 1/2" holes are used for branch circuit wiring in wet, damp and dry locations. They are used as weatherproof junction boxes to install receptacles, switches and GFCI’s or with round cluster covers and round lamp holder combinations. Garvin Industries’ 4” round weatherproof boxes have reinforced connector outlets and come with an innovative powder coat finish that promotes maximum durability, weather protection and scratch resistance. They come standard with cast in mounting lugs, four closure plugs and ground screws already installed making installation fast and easy. Garvin Industries’ 4” round boxes have internal threads on their hubs that comply with NEMA requirements and accept all threaded fittings and conduits.