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MIL-DTL-917 Electric Power Equipment, Basic Requirements ForThis specification covers the basic requirements applicable to the design, materials, and construction of naval shipboard electric power equipment \(exclusive of communication equipment, information technology \(IT\) equipment, and combat systems [fire control and weapons control equipment]\). Unless otherwise specified herein, the electric equipment developed for shipboard use under the requirements of this specification are limited to a maximum 450 volt \(V\) alternating current \(AC\) and a maximum 1,000 V direct current \(DC\). This equipment is intended for use on surface and submarine naval vessels \(see 6.2\).

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MIL-DTL-917F(SH)

APPENDIX A

TABLE A-II. Insulation suitability test 100 percent relative humidity plus dew (sample).

Winding data (rating

Sample No. (1, 2, or 3)

data as applicable)

Mfr's name

Date of mfr.

Address

Frame

Serial

Volts

Phase

Type

R/min

Duty

F.L. amps

Insulation data (or

Magnet wire (type

as applicable)

Ground

Armature

Field

Phase

Sleeving

Varnish

No. of dips

Wedge

Tying cord

Leads

and bakes

Report no.

Time and Temp.

Date

of tests

Relative

Dissipation

Normal

Insulation

Resistance

Capacitance

Temp. (�C)

humidity

factor,

potential

resistance

(ohms)

(�F)

(percent)

(volts)

(megohms)

Lab

Initial tests

Std. run

1 day (24 hrs)

2 (48 hrs)

3 (72 hrs)

4 (96 hrs)

5 (120 hrs)

6 (144 hrs)

7 (168 hrs)

Recovery

NOTE:

1. All winding leads shall be approximately 6 feet in length.