MIL-DTL-16036M(SH)
3.14.2.1 Dead-front fuseholders. Dead-front fuseholders shall be of the types in table VII in accordance with
MIL-PRF-19207 and shall not be installed for any distribution circuit fuse on power or lighting distribution
switchboards or panels.
TABLE VII. Dead-front fuseholder types.
Type
Specification
FHL10U
MIL-PRF-19207/1
FHL11U
MIL-PRF-19207/2
FHL12U
MIL-PRF-19207/3
FHL14G
MIL-PRF-19207/5
FHL32W
MIL-PRF-19207/21
FHL33W
MIL-PRF-19207/22
FHL34W
MIL-PRF-19207/23
FHL35W
MIL-PRF-19207/24
3.14.3 Terminal boards. To minimize the possibility of breakage of the terminal boards caused by distortion of
the mounting support under shock, the length of the terminal board shall not exceed 12 terminal points. Terminal
boards shall be in accordance with A-A-59125 and A-A-59125/2 or A-A-59125/9, or the equivalent.
3.15 Instruments, relays, and instrument transformers.
3.15.1 Electrical measuring instruments. Electrical measuring instruments shall conform to MIL-I-1361,
MIL-T-15377, MIL-DTL-16034, MIL-S-16104, MIL-M-16125, MIL-W-19088, MIL-V-23151, and MIL-M-23167
having a 4-1/2-inch, rectangular case with 250-degree scale. Instrument scales shall be white with black markings
and lettering and shall be marked to indicate the full load and normal voltage calibration points.
3.15.2 Digital indicators. Digital readout indicators shall be segment readouts in accordance with
MIL-DTL-28803. The height of the indicator characters shall be a minimum of 0.45 inch. Display colors shall be
selected in accordance with 3.16, except that red shall be used for alpha-numeric displays.
3.15.2.1 Digital readout circuitry. The need for digital indicators may require that some circuitry be mounted
with the digital indicators to reduce the number of connections necessary between the equipment and the digital
indicators.
3.15.2.1.1 Digital requirements for digital readout circuitry. Any circuitry that is to be mounted with the digital
indicators shall be constructed according to the following guides with the order of importance being the same as the
order of the guides:
a.
Minimize the complexity of the indicator component.
b.
Minimize susceptibility.
c.
Minimize the number of connections between the equipment and the digital indicators.
3.15.2.2 Digital indicator flicker. The digital indicators that display the parameter measurements in engineering
units shall reduce flickering of the readout equipment. The least significant digit will inherently change from one
digit to another at the transfer point. Every effort shall be made to reduce objectionable flicker in the least
significant digit.
3.15.2.3 Isolation. Isolation shall be used among the various instrument outputs so that shorting or opening any
digital output circuit will not produce a change in any other output in excess of the specified accuracy requirements.
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