BP/HMJ Features: -Fuse holder.-Bayonet type knob.-1/4 x 1-1/2.-Carded. Includes: -Includes SFE-20 fuse. Specifications: -Maximum current rating of 20 amps.-Maximum voltage rating of 32 volts AC. Assembly Instructions: -Complete assembly consisting of in-line holder with 8 #14 insulated wire and installed fuses.