Building Wire to BS Standard

Nominalarea
of conductor
mm2

No.&Dia.
of Wires
No./mm

Nominal thickness
of insulation
mm

Size of earth conductor
N0./mm

Nominal thickness
Of sheath
mm

Overall diameter

Approx.
Net Weight
kg/km

Lower limit

Upper limit

mm

mm

1.0

1/1.13

0.6

1/1.13

0.9

4.0*7.2

4.7*8.6

70

1.5

1/1.38

0.7

1/1.13

0.9

  4.4*8.2

5.4*9.6

85

2.5

1/1.78

0.8

1/1.13

1.0

5.2*9.4

6.2*11.0

120

4

7/0.85

0.8

1/1.38

1.1

5.6*10.5

7.2*13.0

175

6

7/1.04

0.8

1/1.78

1.1

6.4*12.5

8.0*15.0

240

10                      10

7/1.35                 7/1.35

1.0                     1.0

7/0.85

1.2  

7.8*15.5

9.6*19.0

390

16

7/1.70

1.0

7/1.04

1.3

9.0*18.0

11.0*22.0

560