Code of practice for distribution of electricity on construction and building sites

Available format(s)

Hardcopy , PDF

Superseded date

30-04-2010

Language(s)

English

Published date

15-11-1996

Publisher

British Standards Institution

Committees responsible
Foreword
Code of practice
Section 1. General
1.1 Scope
1.2 References
1.3 Definitions
1.4 Regulations and guidance documents
1.5 General
1.6 Early notification of requirements
Section 2. Materials, appliances and components
2.1 General
Section 3. Design considerations
3.1 Planning
3.2 Selection of equipment
3.3 Supply systems
3.4 Distribution voltages
3.5 Electrical protection of circuits
3.6 Plugs, socket-outlets and couplers
3.7 Cabling
Section 4. Work on site
4.1 General
4.2 Overhead power lines
4.3 Underground power cables
4.4 Safe working practices
4.5 Demolition
Section 5. Work off site
5.1 General
Section 6. Inspection and testing
6.1 General
Section 7. Maintenance
7.1 General
7.2 Maintenance records
Annexes
A (informative) A typical distribution system using
      distribution units
B (informative) List of British Standards for
      materials, equipment and components
Tables
1 Distribution voltages for typical applications
2 Colour coding
Figures
1 TN-C system
2 TN-S system
3 TN-C-S system
4 TT system
5 IT system
6 Reduced low voltage systems
7 Typical proving circuit with test facility shown
      open
A.1 Example of a site plan with distribution units
      conforming to BS EN 60439-4 and BS 4363
A.2 Detailed arrangement of units to provide an
      electrical supply to a multi-storey building under
      construction
List of references

Covers distribution of electricity for construction and building sites. Gives guidance to builders, contractors, engineers and those concerned with providing electrical installation equipment for the arduous duty of site conditions. A frequency changer is necessary if high frequency power tools are used.

Committee	PEL/17
DevelopmentNote	Supersedes 94/212844 DC and BS 7375(1991) (09/2005)
DocumentType	Standard
Pages	28
PublisherName	British Standards Institution
Status	Superseded
Supersedes	BS 7375:1991

BS EN 61008-2-1:1995	Specification for residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs). Applicability of the general rules to RCCBs functionally independent of line voltage
BS 5000-99:1973	Rotating electrical machines of particular types or for particular applications Machines for miscellaneous applications
BS 5378-2:1980	Safety signs and colours Specification for colorimetric and photometric properties of materials
BS EN 61184 : 2008	BAYONET LAMPHOLDERS (IEC 61184:2017)
BS EN 60269-1 : 2007	LOW-VOLTAGE FUSES - PART 1: GENERAL REQUIREMENTS
BS 171:1970	Specification for power transformers
BS EN 60309-1 : 1999	PLUGS, SOCKET-OUTLETS AND COUPLERS FOR INDUSTRIAL PURPOSES - PART 1: GENERAL REQUIREMENTS
BS 7671:1992	REQUIREMENTS FOR ELECTRICAL INSTALLATIONS
BS 6708:1991	Specification for flexible cables for use at mines and quarries
BS 6346:1989	Specification for PVC-insulated cables for electricity supply
BS 2754(1976) : 1976	MEMORANDUM - CONSTRUCTION OF ELECTRICAL EQUIPMENT FOR PROTECTION AGAINST ELECTRIC SHOCK
BS 5486-11:1989	Low-voltage switchgear and controlgear assemblies Specification for particular requirements of fuseboards
BS EN 60898:1991	Specification for circuit-breakers for overcurrent protection for household and similar installations
BS 5000-11(1973) : 1973	SPECIFICATION FOR ROTATING ELECTRICAL MACHINES OF PARTICULAR TYPES OR FOR PARTICULAR APPLICATIONS - PART 11: SMALL-POWER ELECTRIC MOTORS AND GENERATORS
BS 2769:1964	Specification for portable electric motor-operated tools
BS 3535-2:1990	Isolating transformers and safety isolating transformers Specification for transformers for reduced system voltage
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 5378-1:1980	Safety signs and colours Specification for colour and design
BS 7430:1991	Code of practice for earthing
BS 587:1957	Specification. Motor starters and controllers
BS 4363:1991	Specification for distribution assemblies for electricity supplies for construction and building sites
BS EN 60742:1996	Isolating transformers and safety isolating transformers. Requirements
BS EN 60947-2:2017	Low-voltage switchgear and controlgear Circuit-breakers
BS EN 60947-3 : 2009	LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 3: SWITCHES, DISCONNECTORS, SWITCH-DISCONNECTORS AND FUSE-COMBINATION UNITS
BS 88(1952) : LATEST	CARTRIDGE FUSES FOR VOLTAGES UP TO AND INCLUDING 1000 V a.c. AND 1500 V d.c.
BS 6004:1995	Specification for PVC-insulated cables (non-armoured) for electric power and lighting
BS EN 60947-4-1 : 2010	LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-1: CONTACTORS AND MOTOR-STARTERS - ELECTROMECHANICAL CONTACTORS AND MOTOR-STARTERS
BS 466:1984	Specification for power driven overhead travelling cranes, semi-goliath and goliath cranes for general use
BS EN 61009-2-1:1995	Specification for residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs). Applicability of the general rules to RCBOs functionally independent of line voltage
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 60238 : 2004	EDISON SCREW LAMPHOLDERS
BS EN 60439-4:2004	Low-voltage switchgear and controlgear assemblies Particular requirements for assemblies for construction sites (ACS)
BS EN 61009-1 : 2012	RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS WITH INTEGRAL OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR USES (RCBOS) - PART 1: GENERAL RULES