1) No person shall install or permit or require the installation of an electrical installation, other than in accordance with a safety standard incorporated into these regulations under section 36 of the Act: Provided that items of an electrical installation not covered by such safety standard and the conductors between the point of supply and the point of control shall be installed in accordance with the by-laws or regulations of the supplier concerned.
2) Except in the case of electrical installations supplied by a single phase electricity supply at the point of supply, an accredited person shall exercise general control over all electrical installation work being carried out and no person shall allow such work without such control.
3) No supplier shall restrict the application of a safety standard referred to in subregulation (1) when an electrical installation is installed, except where the distribution system of the supplier may be adversely affected by the application thereof.