Terminal box, 60 terminal, 240 wires, 600 volts, 40 amps max per terminal, submersible to 15 feet. 3 Type 4TB20 terminal boards mounted in a 10x13x5" deep brass enclosure. Military Part Number M24558/8-446 per MIL-DTL-24558/8. NSNs 5940-00-215-5967 and 5940-01-246-0848 are assigned. Normally supplied with domed cover.