CAP. 103]
Protection from lightning.
Report of accidents to Director of Public Works.
Material of line conductors.
Strength of line conductors.
Minimum size of line conductor.
Electricity Supply.
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 Public Works.
PART I.—General.
13. (1) Line conductors shall be copper, aluminium or such other materials as may be approved by the Director of Public Works.
(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.
No. 8 S.W.G. sq. in. 0.0201 lb. 409
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.
No. 10 S.W.G. sq. in. 0.0129 lb. 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
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CAP. 103]
Protection from lightning.
Report of accidents to Director of. Public Works.
Material
of line conductors.
Strength of line conductors.
Minimum size of line conductor.
Electricity Supply.
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 com- pany shall give immediate notice thereof to the Director of Public Works.
PART I.-General.
13. (1) Line conductors shall be copper, aluminium or such other materials as may be approved by the Direc- tor of Public Works.
(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 Weight per
mile.
No. 8 S.W.G.
area.
sq. in.
0.0201
lb.
409
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 Weight per
Line conductors to be inaccessible.
No. 10 S.W.G.
area.
sq. in.
0.0129
mile.
lb.
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
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