BS 4363:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for distribution assemblies for electricity supplies for construction and building sites
Hardcopy , PDF
15-07-1998
English
20-12-1991
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Committees responsible
Foreword
Specification
1. Scope
2. Definitions
3. Service conditions
4. General
5. Materials
6. Incoming supply assembly (ISA)
7. Incoming supply and distribution assembly (ISDA)
8. Main distribution assembly (MDA)
9. Transformer assembly
10. Socket-outlet assembly
11. Extension-outlet assembly
12. Marking
13. Terminal markings and identification of connections
14. Routine tests
Appendices
A. Typical system voltages at 50 Hz employed on
construction and building sites in the UK and
recommended applications
B. Technical schematic layout incorporating single-
phase 110 V distribution
C. Typical schematic layout incorporating single- and
three-phase 110 V distribution
D. Typical assemblies (mains voltage)
E. Typical assemblies (reduced voltage)
Tables
1. Minimum space requirements for incoming supply
assemblies
2. Rating of the incoming supply assembly
3. Minimum space requirements for incoming supply and
distribution assemblies
4. Rating of the incoming supply and distribution
assembly
5. Rating of the main distribution assembly
6. Minimum accommodation for MCCBs
7. Input protection
8. Typical system voltages at 50 Hz and recommended
applications
9. Single-phase 110 V distribution
10. Single- and three-phase 110 V distribution
11. Typical assemblies (mains voltage)
12. Typical assemblies (reduced voltage)
Figures
1. Socket-outlet assembly 110 V single-phase:
schematic connection arrangement
2. Socket-outlet assembly 110 V three-phase:
schematic connection arrangement
3. Warning symbols
4. Typical layout incorporating single-phase 110 V
distribution
5. Typical layout incorporating single- and three-phase
110 V distribution
Requirements for six types of distribution assemblies intended to give a compact and flexible system on construction and building sites. Both single-phase and three-phase distribution systems are catered for.
| Committee |
PEL/17
|
| DevelopmentNote |
SUPERSEDES BS 4363: 1968
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 7375:1996 | Code of practice for distribution of electricity on construction and building sites |
| BS 7909:1998 | Code of practice for design and installation of temporary distribution systems delivering a.c. electrical supplies for lighting, technical services and other entertainment related purposes |
| BS 4752-1:1977 | Specification for switchgear and controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c. Circuit-breakers |
| BS 476-3:1975 | Fire tests on building materials and structures External fire exposure roof test |
| BS 5378-1:1980 | Safety signs and colours Specification for colour and design |
| EN 60439-4:2004 | Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies for construction sites (ACS) |
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