LINK BLOCKBuchanan, Terminal Block, Phenolic One Piece, Standard, Number Of Terminals: 8, Wire Size: 18 - 8 AWG (Solid or Stranded), Spacing: 0.630 IN CL Center-To-Center, Amperage Rating: 50 AMP, Voltage Rating: 600 V, Material: Flame retardant Filled Phenolic Housing, Copper/Copper Alloy Contact, Steel Plated Screw, Connection: Strap Screw (Steel), Construction: One-Piece, Temperature Rating: 150 DEG C, Screw Type: 10-32 Slotted Binding Head, Radiation Resistance (ergs G1 C): 0.49 - 0.58, Chemical Resistance: Resistant To Acids, Alkalies, Aliphatic Hydrocarbons And Ketones (Per ASTM D5343), Dielectric Strength: 300 V/MIL Thickness (Per ASTM D149), Water Absorption (24 Hr Pct Weight Gain): 0.45 PCT (Per ASTM D570), Flammability: 94V-1 (Per UL94)