Nickel plated contacts with self-cleaning field-proven pressure bands for smooth pin insertion, low heat rise, corrosion resistance, and quality electrical performance. Pins fully shrouded for mechanical proection; lockout hole for plugs 2-pole, 3-wire Grounding; 220V-240V, 32 Amp Standard mounting footprints and blind holes provide interchangeability with major brands AHBB30 Back box style