Singapore legislation
Regulation 41
of Workplace Safety and Health (Construction) Regulations 2007
Regulation 41
Distribution board and socket-outlet assembly
It shall be the duty of the occupier of a worksite to ensure that —
(a)
circuit breakers used for the final circuits of any distribution board and socket-outlet assembly in the worksite are housed in an enclosure; and
(b)
the enclosure is constructed so as —
(i)
to fully enclose all live electrical parts within the enclosure;
(ii)
to allow any of the circuit breakers to be switched on or off without having to open the enclosure; and
(iii)
to be of weather-proof construction.