20 poles, dimension: A=9.50", B=9.18", rating: 30A, 300V, center spacing: .437" (11.11mm), wire size: #12-22AWG CU, distance between barriers: .353" (8.97mm), #6-32 philslot screws, terminal plating: tin over brass, screws: zinc plated steel, operating temperature: 130°C (266°F) max., -40°C (-40°F) min., black molded base, UL rated 94VO thermoplastic