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MIL-DTL-16036 Switchgear, Power, Low Voltage, Naval ShipboardThis specification covers the requirements for electrical power dead-front, deck-mounted, low voltage switchgear for Naval shipboard use.

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MIL-DTL-16036M(SH)

PARAGRAPH

PAGE

3.8.1 Securing of equipment............................................................................................................................. 28

3.8.2 Mounting bolts and screws. ..................................................................................................................... 28

3.8.3 Arrangement of equipment. ..................................................................................................................... 28

3.8.4 Polarity. ................................................................................................................................................... 28

3.8.5 Phase rotation. ......................................................................................................................................... 28

3.8.6 Casualty power equipment. ..................................................................................................................... 28

3.8.6.1 Arrangements. ................................................................................................................................. 28

3.8.6.2 Mounting of casualty power equipment. ......................................................................................... 29

3.8.6.3 Casualty power circuit breaker rating. ............................................................................................. 29

3.8.7 Voltage regulator equipment. .................................................................................................................. 29

3.8.8 Accessibility. ........................................................................................................................................... 29

3.9 Shore power. ................................................................................................................................................... 29

3.9.1 Phase sequence indicator. ........................................................................................................................ 29

3.9.2 Reference selector switch. ....................................................................................................................... 29

3.9.3 Circuit breaker control switch. ................................................................................................................ 29

3.10 Bus bars and connectors. ............................................................................................................................... 29

3.10.1 Bus connections..................................................................................................................................... 29

3.10.2 Copper bus bars. .................................................................................................................................... 29

3.10.3 Cable connector sizes. ........................................................................................................................... 30

3.10.4 Cable connector sizes for casualty power.............................................................................................. 30

3.10.5 Bus bar sizes. ......................................................................................................................................... 30

3.10.6 Grouping and arrangement of bus bars.................................................................................................. 31

3.10.7 Cabling for circuit breakers. .................................................................................................................. 31

3.10.8 Bus bar forming. .................................................................................................................................... 32

3.10.9 Silver surfacing of buses. ...................................................................................................................... 32

3.10.9.1 Holes in bus bars............................................................................................................................ 32

3.10.9.2 Preparation of joints....................................................................................................................... 32

3.10.10 Bolts and nuts used in bus bar joints. .................................................................................................. 32

3.10.11 Pressure of bus bars. ............................................................................................................................ 33

3.10.11.1 Tightening nuts for bus bar joints. ............................................................................................... 34

3.10.12 Bus supports. ....................................................................................................................................... 34

3.10.13 Bus bar capacity. ................................................................................................................................. 35

3.10.14 Bus bar insulation. ............................................................................................................................... 35

3.10.15 Cable lug terminals.............................................................................................................................. 35

3.10.16 Connections between buses. ................................................................................................................ 35

3.10.17 Cables entering switchboards. ............................................................................................................. 35

3.10.18 Special requirements for 100-ampere frame circuit breaker base connections.................................... 35

3.10.18.1 Insulation distances...................................................................................................................... 35

3.10.18.2 Bus connections. .......................................................................................................................... 36

3.10.18.3 Holes in bus bars.......................................................................................................................... 36

3.11 Wiring of control and instrument circuits. .................................................................................................... 36

3.11.1 Control and instrument cable types. ...................................................................................................... 36

3.11.2 Cable end connectors............................................................................................................................. 36

3.11.3 Forming and securing switchgear power cables and control wiring groups. ......................................... 36

3.11.3.1 Power cables. ................................................................................................................................. 36

3.11.3.2 Control wiring................................................................................................................................ 36

3.11.4 External control cable connections. ....................................................................................................... 37

3.11.5 Synchronizing control circuits. .............................................................................................................. 37

3.11.6 Space heater circuits. ............................................................................................................................. 37

3.11.7 Indicator light power. ............................................................................................................................ 37

3.11.8 Control transformers.............................................................................................................................. 37

3.11.9 Ground detector lights. .......................................................................................................................... 37

3.11.10 Voltage regulator connections. ............................................................................................................ 37

3.11.11 Wire and terminal marking.................................................................................................................. 37

3.11.12 Shunt trip coil circuits. ........................................................................................................................ 37