MIL MIL-DTL-24558/21A

TERMINAL BOXES, CONNECTION, SUBMERSIBLE (15-FOOT), 500 VOLTS, SYMBOL 476.1, 24 LUGS FOR TWELVE 2-CONDUCTOR 23 MCM CABLES OR EIGHT 3-CONDUCTOR 23 MCM CABLES (SUPERSEDING MIL-T-24558/21)
Amendment by Military Specifications and Standards, 12/09/2004