BS 7909:2011 PDF

1   Scope This British Standard gives recommendations for the management, design, setting-up and operation of temporary electrical systems using low voltage a.c. electricity, for the entertainment and similar or related industries. Mobile and transportable units with electrical installations that are used in these industries are also covered. This British Standard gives recommendations for the provision of a safe and suitable temporary electrical system for an event and the duties and work to implement this.

NOTE 1 Each aspect of the work could be under the control of a different person responsible .

This British Standard gives guidance on matters of common interest to producers, production companies, event organizers and managers, freelance people, facilities and services hire companies, equipment hire companies, equipment manufacturers, electrical consultants, electrical installation contractors, distributors, suppliers of electricity, venues , local authorities and those responsible for safety. The systems covered by this British Standard operate at low voltage as defined in BS 7671:2008+A1:2011 and supply equipment normally operating at 230 V a.c. or 400 V a.c. 50 Hz. Electricity at low voltage can be taken from an existing installed electrical system, the public supply, privately owned supplies or from mobile or portable generators. Direct current supplies are outside the scope of ...