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NFC 31 681 : 1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES - GLASS FIBRE WOUND, POLYESTER OR POLYESTERIMIDE, VARNISH TREATED, BARE OR ENAMELLED RECTANGULAR COPPER WIRE, TEMPERATURE INDEX 180
03-01-1998
01-12-2013
Specifies the requirements of glass fibre wound, polyesterimide or polyester varnish treated, bare or grade 2 enamelled rectangular copper winding wire, temperature index 180. Coverage includes dimensions, elongation, heat shock, solderability, breakdown voltage, loss of mass, temperature index, electrical resistance, high temperature failure and packaging.
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