F
1984 Ed.]
Electricity Supply Regulations
[CAP. 103
A 7
[Subsidiary]
Provided that in such cases such poles shall be efficiently connected with earth.
11. Where any portion of any electric line or any support for any electric line is exposed in such a position as to be liable to cause injury from lightning, it shall be efficiently protected against such liability.
12. Where any accident by explosion or fire, or any other accident of such kind as to have caused or to be likely to have caused loss of life or personal injury has occurred at any part of any electric line or work, the company shall give immediate notice thereof to the Director of Electrical and Mechanical Services.
PART I
GENERAL
13. (1) Line conductors shall be copper, aluminium or such other materials as may be approved by the Director of Electrical and Mechanical Services.
(2) All line conductors at the time of erection shall comply, as regards elongation, breaking load and elasticity, with the specification of the British Engineering Standards Association then in force.
(3) The minimum permissible size for copper and other line conductors (other than service lines) shall be such as to have an actual breaking load of not less than 1,237 lb., the equivalent minimum cross-sectional area and weight per mile for copper being as follows—
Conductor Cross-sectional area Weight per mile
sq. in. lb.
0.0201 409
No. 8 S.W.G.
Protection from lightning.
Report of accidents to Director of Electrical and Mechanical Services. L.N. 76/82. L.N. 298/82.
Material of line conductors: L.N. 76/82. L.N. 298/82
Strength of line conductors:
Minimum size of line conductor:
The minimum permissible size of service line shall be such as to have an actual breaking load of not less than 816 lb., the equivalent minimum cross-sectional area and weight per mile for copper being as follows—
Conductor Cross-sectional area Weight per mile
sq. in. lb.
No. 10 S.W.G. 0.0129 262
(4) Line conductors shall be rendered inaccessible to any person from any building or other place without the use of a ladder or other special appliance. Regard shall be had to the normal use by the occupier of any premises or land and where necessary (a) the height of the line conductors shall be increased to provide sufficient clearance for safety in accordance with such use, and (b) provision as prescribed in paragraph (14) or (17) shall be made to prevent danger.
Line conductors to be inaccessible: