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BS 7909:2011

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Code of practice for temporary electrical systems for entertainment and related purposes
Available format(s)

Hardcopy , PDF

Superseded date

24-01-2023

Language(s)

English

Published date

31-08-2011

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Management of an event and supply of
   equipment for temporary electrical systems
5 Small/simple events and activities requiring
   up to 6 kVA
6 Large/complex events and activities requiring
   in excess of 6 kVA
7 Design and instructions for temporary electrical
   systems
8 Work on site
9 Inspection and testing
10 Operational procedures
11 Additional considerations
Annexes
Annex A (normative) - Construction of distribution
        equipment or switchgear for temporary
        systems
Annex B (informative) - Distribution equipment functionality
Annex C (normative) - Earthing arrangements and temporary
        systems
Annex D (informative) - Possible arrangements for temporary
        electrical systems
Annex E (informative) - Residual current devices (RCDs):
        selection and use
Annex F (informative) - Supplies provided for temporary
        distributions at venues
Annex G (normative) - Inspection, testing and certification
Annex H (informative) - Multi-pin connectors used for
        lighting applications
Bibliography

Provides 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.

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.

NOTE1 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 BS7671:2008+A1:2011 and supply equipment normally operating at 230V a.c. or 400V a.c. 50Hz. 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 this British Standard.

NOTE2 It is expected that all electrical equipment, switchgear units, distribution units and cables used for work covered by this British Standard are manufactured to the appropriate product standards, and that the temporary electrical systems and their use are designed, set-up, supervised, operated and removed by suitably competent persons. It is also expected that responsibility for such temporary electrical systems is taken by a suitably competent person referred to as the person responsible.

NOTE3 All equipment forming the temporary electrical system is expected to be delivered to site as pre-assembled units that have been tested and are known to be safe and suitable for use. This does not preclude the manufacture on site of simple units that might be necessary; though this is the exception and not the rule.

NOTE4 In many situations temporary electrical distributions are intimately associated with mobile and transportable units. In such cases, see BS7671:2008+A1:2011, Section 717, for further information.

NOTE5 This British Standard may be applied to temporary electrical distributions at exhibitions and fairgrounds; see BS7671:2008+A1:2011, Sections 711 and 740, respectively for specific information for these activities. Specialized documents related to exhibitions are published by the Association of Event Venues [1].

NOTE6 Specialized documents related to theatres and places of entertainment are published by the Association of British Theatre Technicians [2].

NOTE7 This British Standard does not offer guidance for hazardous locations where expert advice needs to be sought.

Committee
CPW/4
DevelopmentNote
Supersedes BS 7909(2008). (09/2011)
DocumentType
Standard
Pages
112
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

BS 7671(2008) : 2018 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS
ENA ER G12 : ISSUE 4 AMD 1 2015 REQUIREMENTS FOR THE APPLICATION OF PROTECTIVE MULTIPLE EARTHING TO LOW VOLTAGE NETWORKS
BS 7671(2008) : 2008 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS

BS 546:1950 Specification. Two-pole and earthing-pin plugs, socket-outlets and socket-outlet adaptors
BS EN 60898-1 : 2003 ELECTRICAL ACCESSORIES - CIRCUIT BREAKERS FOR OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR INSTALLATIONS - PART 1: CIRCUIT-BREAKERS FOR A.C. OPERATION
IEC 62423:2009 Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses
PD CLC/TR 50404:2003 Electrostatics. Code of practice for the avoidance of hazards due to static electricity
BS EN 12193:2007 Light and lighting. Sports lighting
BS EN 60320-1:2015 Appliance couplers for household and similar general purposes General requirements
BS EN 60309-1 : 1999 PLUGS, SOCKET-OUTLETS AND COUPLERS FOR INDUSTRIAL PURPOSES - PART 1: GENERAL REQUIREMENTS
BS EN 61140 : 2002 PROTECTION AGAINST ELECTRIC SHOCK - COMMON ASPECTS FOR INSTALLATION AND EQUIPMENT
IEC 60092-507:2014 Electrical installations in ships - Part 507: Small vessels
BS 7671(2008) : 2008 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS - IET WIRING REGULATIONS
BS EN 60598-1:2015 Luminaires General requirements and tests
BS EN 61557-3:2007 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures Loop impedance
BS EN 60309-2 : 1999 PLUGS, SOCKET-OUTLETS AND COUPLERS FOR INDUSTRIAL PURPOSES - PART 2: DIMENSIONAL INTERCHANGEABILITY REQUIREMENTS FOR PIN AND CONTACT-TUBE ACCESSORIES
BS 7288:1990 Specification for socket outlets incorporating residual current devices (S.R.C.D.s)
BS PAS 51(2004) : 2004 GUIDE TO INDUSTRY BEST PRACTICE FOR ORGANIZING OUTDOOR EVENTS
BS EN 60947-2:2017 Low-voltage switchgear and controlgear Circuit-breakers
BS 8450:2006 Code of practice for installation of electrical and electronic equipment in ships
BS EN 50172:2004 Emergency escape lighting systems
BS 4533-102.17:1990 Luminaires. Particular requirements Specification for luminaires for stage lighting, television, film and photographic studios (outside and indoor)
BS 4363(1998) : 1998 SPECIFICATION FOR DISTRIBUTION ASSEMBLIES FOR REDUCED LOW VOLTAGE ELECTRICITY SUPPLIES FOR CONSTRUCTION AND BUILDING SITES
BS EN 60529:1992+A2:2013 Degrees of protection provided by enclosures (IP code)
BS EN 61984:2009 Connectors. Safety requirements and tests
BS 7919:2001 Electric cables. Flexible cables rated up to 450/750V, for use with appliances and equipment intended for industrial and similar environments
BS 5266-8(2004) : 2004 EMERGENCY ESCAPE LIGHTING SYSTEMS
BS 5550-7.5.4:1981 Cinematography. Production and presentation. Film and television location lighting Specification for single pole high current plugs and socket connectors
IEC 61140:2016 Protection against electric shock - Common aspects for installation and equipment
BS EN 61558-2-6:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers
IEC 60309-1:1999+AMD1:2005+AMD2:2012 CSV Plugs, socket-outlets and couplers for industrial purposes - Part 1: General requirements
BS 4293:1983 Specification for residual current-operated circuit-breakers
BS EN 61008-1 : 2012 RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS WITHOUT INTEGRAL OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR USES (RCCBS) - PART 1: GENERAL RULES (IEC 61008-1:2010, MODIFIED)
BS EN 61557-6:1998 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring ormonitoring of protective measures Residual current devices (RCD) in TT, TN and IT systems
IEC 60309-2:1999+AMD1:2005+AMD2:2012 CSV Plugs, socket-outlets and couplers for industrial purposes - Part 2: Dimensional interchangeability requirements for pin and contact-tube accessories
BS EN 61009-1 : 2012 RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS WITH INTEGRAL OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR USES (RCBOS) - PART 1: GENERAL RULES
DIN 15765:2010-04 ENTERTAINMENT TECHNOLOGY - MULTI-CORE CABLE SYSTEMS FOR MOBILE PRODUCTIONS AND ENTERTAINMENT TECHNOLOGY
BS EN 60073:2002 Basic and safety principles for man-machine interface, marking and identification. Coding principles for indicators and actuators
BS EN 60092-507:2015 Electrical installations in ships Small vessels

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