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BS 5733:1979

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Specification for general requirements for electrical accessories
Available format(s)

Hardcopy , PDF

Superseded date

15-06-1995

Language(s)

English

Published date

30-04-1979

Foreword
Cooperating organizations
Specification
Section one. General
1 Scope
2 References
3 Definitions
4 Service conditions
5 General requirements
6 Marking
Section two. Specific requirements
7 Materials
8 Enclosures
9 Creepage distances and clearances
10 Precautions against electric shock
11 Precautions against reversal of polarity
12 Separation of terminals and conductors
13 Provision for earthing
14 Connections between current carrying parts
15 Terminals
16 Flexible cords or cables
17 Switch action
18 Resistance to abnormal heat and to fire
19 Mechanical strength
20 Insulation strength
21 Current rating
22 Resistance to moisture
Section three. Methods of test
23 General conditions for the tests
24 Type tests
25 Insulation resistance test
26 Electric strength test
27 Temperature rise and voltage drop at rated current
    test
28 Moisture resistance test
29 Resistance to heat test
30 Cord grip test
31 Socket contacts and shutters test
32 Resistance to abnormal heat and to fire test
33 Mechanical strength test
34 Resistance to rusting test
Appendix
A Principles for test of insulating parts of
    accessories
Tables
1 Creepage distances and clearances
2 Terminal screws: size and torque
3 Cross-sectional areas of cable conductors for tests
    of temperature rise and voltage drop
4 Cross-sectional areas of conductors in flexible
    cords for tests of temperature rise and voltage drop
5 Torque for test of cord grip
Figures
1 Glow-wire with thermocouple
2 Glow-wire with test apparatus
3 Pendulum impact test apparatus
4 Constructional details of striking element
5 Mounting support for test samples
6 Ball pressure test apparatus
7 Apparatus for pressure test on plugs and portable
    socket-outlets
8 Tumbling barrel

Electrical wiring accessories for installation purposes, not specifically covered by other British Standards, for use in single phase a.c. or d.c. circuits, for voltages between conductors exceeding extra low voltage but not exceeding 250 V, and current not exceeding 45 A.

Committee
PEL/23
DevelopmentNote
Supersedes 74/25539 DC, 85/26789 DC and BS 816(1952) (09/2005)
DocumentType
Standard
Pages
30
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

BS 4937-4:1973 International thermocouple reference tables Nickel -chromium/nickel - aluminium thermocouples. Type K
BS 3643(1963) : LATEST
BS 4662:1970 Specification for boxes for the enclosure of electrical accessories
BS 2844:1972 Memorandum on conditioning of solid electrical insulating materials prior to and during testing
BS 6004(1975) : LATEST
BS 2719:1975 Methods of use and calibration of pocket type rubber hardness meters
BS 3676:1963 Specification for switches for domestic and similar purposes (for fixed or portable mounting)
BS 3203:1979 Glossary of paper, board, pulp and related terms
BS 1858:1973 Specification for bitumen-based filling compounds for electrical purposes

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