Standard Requirements for Security Electric Fences
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12. Crossings with overhead power lines shall be avoided wherever pos-
sible. If such a crossing cannot be avoided, it shall be made underneath
the power line and as nearly as possible at right angles to it.
13. If and wires are installed near an over-
head power line, the clearances shall be not less than those shown in
table.
Power line voltage V Clearance m
<=1 000 3
>1 000 <=33 000 4
>33 000 8
Minimum Clearances from Power Lines
14. If and wires are installed near an over-
head power line, their height above the ground shall not exceed 2 m.
-
ermost conductors of the power line on the ground surface, for a dis-
tance of
•
V.
•
13.3 PARTICULAR REQUIREMENTS FOR ELECTRIC
ANIMAL FENCES IN AUSTRALIA
1. A distance of at least 10 m shall be maintained between the
and any other earthing system such as the power sup-
2. intended for deterring birds, household pet contain-
ment or training animals such as cows need only be supplied from low
output
3. In -
ings, no wire shall be connected to the
point where persons may gain ready access to the conductors.
4.