IS 11184 : 1984 Enamelled and varnish bonded glass fibre covered round copper wires

1 Scope

1.1 This standard relates to round copper wires coated withenamel and covered with single or double glass fibre lapped, bondedwith a suitable highly polymerised thermosetting varnish. The wirescovered by this standard are suitable for temperature index 130,155, 180 and 200. The type of enamel and varnish shall be based onthe temperature index of the wire required by the purchaser.

1.2 Sizes

The requirements of this standard are applicable to conductorshaving diameters 0.800 mm to 4000 mm. A schedule of preferred sizesof round conductor is given in Table 1 of IS 4800 : Part 1 : 1968.

1.3 Grades of covering specified are given below:

a) Enamel covering Medium - E₁

b) Glass covering Single - G₁Double - G₂,

Grades of enamelled and glass fibre covered copper wires will bedenoted as E₁G₁ and E₁G₂.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 482 :1981Specification for reels for covered, roundelectrical winding wires

IS 4800 : Part I :1968 Specification for enamelled round windingwires:Part I Conductors data

IS 5596 :1970Method of test for determining deleterioussubstances in fibrous insulating materials

IS 10114 :1982Specification for enamelled and varnish bondedglass fibre covered rectangular copper wires