Current Rating: 20A@125V AC, 10A@ 277V AC 3/4 HP @ 125-250V AC. Initial Contact Resistance: 50 Meg ohm (Max.). Insulation Resistance: 100 Meg ohm (Min.) @ 500V DC. Dielectric Strength: 1000V AC 50/60 Hz for 1 minute. Contact Material: Brass - Bright Nickel Plate. Terminal Material: Brass Terminal Type: .250” Quick Connect