Brackets made of 3/4" schedule 40 aluminum tubing (Steel tubing is used with Galvanized Finish.) threaded 3/4-14 N.P.T. on fixture end. Brackets are finished with standard white polyester powder. Other colors may be specified See ordering guide. These brackets are designed for recessed box mounting or surface outlet box mounting. Bracket end slips into cast box cover plate (wall end is unthreaded). Pipe may cut down, in the field, to shorten bracket length. RLMs supplied with these brackets are Underwriters Laboratories Inc.® Listed Suitable for Wet Locations provided they are installed in accordance with all codes local and national. If installed outdoors use a thread sealant on fixture end threads to prevent water entry.