IS 11597 : 1986 Polyester tape wrapped, varnish bonded glass-fibre covered rectangular paper conductors

UDC 621.315.55-408.4 [669.3-426] : 678.675.4-418 ETD 33
Reaffirmed 2021

1 Scope

1.1 This standard relates to rectangular copper conductors whichare first wrapped by polyester tape (without any adhesive) inrequired thickness and subsequently covered with fibre glass andfinally bonded with suitable thermosetting varnish depending onrequired temperature index of the conductor as required by thepurchaser.

NOTE - Individual temperature indices and generic name ofvarnishes may be agreed between the manufacturer and the purchaser.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 6160 :1971Specification for rectangular conductors forelectrical machines

IS 4685 : Part 2 :1984 Specification for varnish bondedglass-fibrecovered copper conductors:Part 2 Rectangular conductors

IS 2069 :1981 Specification for drums for coveredwindingwires and strips for electrical purposes