(1)  If an electricity safety officer proposes to isolate an electricity supply to any land or premises for safety reasons, the electricity safety officer may, at any reasonable time, enter and remain on the land or premises in order to isolate the electricity supply to the land or premises.

(2)  If entry is refused, or obstructed, the electricity entity may –

(a) if it is possible to do so, isolate the electricity supply to the land or premises without entering the land or premises; or

(b) if it is not possible to isolate the electricity supply to the land or premises without entering the land or premises, obtain a warrant under section 126 to enter the land or premises for the purpose of isolating the electricity supply, enter the land or premises as authorised and isolate the electricity supply.