MIL-W-16878F, MILITARY SPECIFICATION: WIRE, ELECTRICAL, INSULATED, GENERAL SPECIFICATION FOR (11 SEP 1992) (S/S BY MIL-DTL-16878G)., This specification covers unshielded wire for hookup and lead wiring of electrical and electronic components and equipment. The temperature rating of wire under this specification ranges from -65 to 260 degrees Celsius (C), with potential rating from 250 to 5,000 volts root mean square (Vrms).