Bridgeport® Conduit Bushing, Anti-Short, 14 to 4 AWG, 12 to 3 AWG, 6 to 1 AWG, 4 to 1 AWG, 1 in Trade, 90 deg C, Plastic, Red, Plain, 11/16 in Dia x 9/16 in L
Redheads prevent damage to wire insulation when placed between the wire and armored sheath.