Terminal Block, 18 - 8 Awg (Solid or Stranded)Terminal Block, Phenolic One Piece, Standard, Number of Terminals: 4, Wire Size: 18 - 8 Awg (Solid Or Stranded), Spacing: 0.630 Inch 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