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The point of attachment of supply service conductors shall not exceed 9 m above grade. The drop has be located so that the clearance of the conductors at any point above finished grade is not less than the following heights; across highways, streets, lanes, and alleys - 5.5 m, across driveways to residential garages - 4 m, across driveways to commercial and industrial premises - 5 m and across ground normally accessible to pedestrians only - 3.5 m.

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