MIL-DTL-16036M(SH)
3.20.3.2 Shape. Information plates for rheostat handwheels and other rotary devices where required shall be
circular or some other shape to suit the equipment.
3.20.4 Information. Identification plates with information consistent with the following shall be provided at or
near the top of the front enclosure of each switchgear section or for each unit, if required individually:
a.
Name or functional designation of item.
Manufacturer s name.
b.
Manufacturer s drawing number (front view).
c.
d.
Year manufactured.
e.
NAVSEA drawing number (front view), if assigned.
f.
Stock number, if assigned.
g.
NAVSEA manual number, if assigned.
h.
Serial number.
3.20.5 Abbreviations. Unless lack of space prevents spelling out the words, abbreviations of words on
identification and information plates shall be avoided except in the case of words which have abbreviations in
common use in accordance with ASME Y14.38.
3.20.6 Installation. Identification and information plates shall be fastened securely to such parts of the
equipment as ordinarily will not be renewed during its service life. Identification and information plates shall be
attached in accordance with MIL-DTL-15024 and MIL-P-15024/5. Metal and laminated identification and
information plates and mimic bus may be attached with an adhesive.
3.20.7 Detail application requirements. Information plates shall be installed immediately above each circuit
breaker and shall contain the following information:
a.
Circuit name.
b.
Circuit designation and number.
c.
Circuit breaker element rating.
3.20.8 Blank plates. Information plates without markings shall be provided for mounted spare circuit breakers.
3.20.9 Instrument identification. Instruments shall be marked with the name of circuits; marking may appear
on instrument or on a separately mounted information plate. Switchboard devices and component assemblies shall
be provided with identification sufficient to identify each component from the information contained on the
applicable switchboard drawings.
3.20.10 Fuse marking. Fuses for each switchboard control circuit, instrument, and instrument transformer shall
have an information plate showing name or designation of circuit, phase (if applicable), fuse ampere rating, and type
designations.
3.20.11 Marking switchboard buses. Buses shall be clearly marked in a visible location with their polarity or
phase identification. If marking is accomplished by painting (stencil) application, the ink shall conform to A-A-208,
Type III. Information plates for buses may be similar to the warning plates specified in 3.20.14.
3.20.12 Polarity. Positive and negative polarities of DC buses shall be indicated with + and - signs,
respectively.
3.20.13 Phase identification. Phase identification of AC buses shall be indicated by the capital letters A, B, or
C, as applicable. A neutral bus of a four-wire, three-phase circuit, where used, shall be indicated by the capital letter
N. The letters A, B, and C, in that order, shall indicate the phase sequence.
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