87220Ultra-Pin Receptacle Three-Hole Mount Receptacle Only, Split Pin 87220,87240 includes 99510 retrofit kit, two male terminals for grounding,99510 consists of 14 terminals and 9 boots,Barrel slanted to drain moisture,Floating pins for easy alignment and solid mating,Heavy bosses for extra rigidity,Mounting holes slotted for universal fit,No-rust, die-cast zinc, brass-plated pins,Two male terminals for grounding