Manufacturer's Description:
General
Open coil style transformer Mounting
Wall, ceiling or floor mount onto an outlet box
Threaded nipple with lock nut provided for direct connection to the outside of an outlet box cover
Mounting feet with four holes provided(Hole spacing: 1-1/2" x 1-5/16")Electrical
Screw terminals for the 16v side
7 " wire leads for the 120v side.