Terminal Block, 20 Amp, 600 Volt, AC/DC, 2 Circuit, Gray, 30 - 12 AWG, 2.5 mm, 25 in a PackageOur Bulletin 1492 & Standard Feed-through IEC Spring-clamp Terminal Blocks for single-circuit feed-through applications are available in nine colors and several sizes. Many are available in triple- and quad-connection blocks.