MIL-HDBK-1025/10
b. Cables serving submarines will have MIL-C-24368, Type 5 outboard plug connection
permanently attached to the shipboard end.
c. In-line connection (used only where operationally necessary) may be single-pole
connectors (MIL-C-24368 type 4) or three-pole connectors (Cage 90129 male and female).
9.6.4.2 Pier Low-Voltage (480-Volt) Electrical Outlet Assemblies. The assembly
utilizes a MIL-C-24368, type 1 three-pole 500-ampere 480-volt receptacle with matching plug.
Details of units are shown on NAVSEA Electric Plant Installation Standard Methods (EPISM)
Section 2, Group E, sheets 13 through 19 with sheets 14 and 15 determining shore power phase
rotation. (See figure 16.)
Male receptacle
Female plug
Figure 16
Low-Voltage (480-Volt) Shore Receptacle
Courtesy Crouse-Hinds Incorporated
9.6.4.3 Low-Voltage (480-Volt) Receptacle Protective Circuit Breakers. These low-
voltage, metal-enclosed drawout type power circuit breakers are air-magnetic, electrically-
operated, with 120-volt ac close, 48-volt dc trip and have current limiting fuses. Circuit breakers
are interlocked with their associated receptacles so that the circuit breaker will trip automatically
if an attempt is made to remove the assembly plug or open the receptacle cover. A remote
close/trip of the circuit breaker is provided at the receptacle assembly.
9.6.5 Medium-Voltage (4,160-Volt) Receptacles, Plugs, and Protective Circuit
Breakers. The system providers a 4,160-volt, three-phase, three-wire, ungrounded, 60-hertz
source.
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