The B1 ballast box is made of a composite housing with an aluminum lid. Able to accomodate ballast wattages up to 150 watts, for use with remote ?xture or able to accomodate small landscape ?xtures mounted to the lid. Standard with a 7/8" thru hole for mounting 1/2 knuckles. Includes six 1/2” conduit entries, two bottom entries and four side entries. All hardware is stainless steel.