Gardner Bender Hex-Lock® H1 Series Multi-range wire connector accommodates copper conductor of size 22 - 8-AWG, (3) 22-AWG minimum, (3) 10-AWG. Connector with square wire spring, withstands a voltage rating of 600-Volts. Connector in tan color, has zinc-plated finish and thermoplastic construction for durability. It withstands a temperature rating of 105 deg F and measures 5/16-Inch ID x 47/64-Inch OD x 1-5/32-Inch. It is suitable for large appliances, timers, indoor lighting, switches, ballasts, junction box and air conditioners. Wire connector meets UL, CSA standards.