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BS 7462:1991

Current
Current

The latest, up-to-date edition.

Specification for electrical safety of domestic gas appliances
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-29-1991

Publisher

British Standards Institution

Committees responsible
Foreword
Specification
1 Scope
2 Definitions
3 General requirements
4 General conditions for the tests
5 Rating
6 Classification
7 Marking
8 Instructions
9 Protection against electric shock
10 Starting of motors
11 Input and current
12 Temperature limits
13 Leakage current and dielectric strength at operating
    temperature
14 Moisture resistance
15 Insulation resistance and electric strength
16 Overload protection
17 Motors
18 Stability and mechanical hazards
19 Mechanical strength
20 Construction
21 Internal wiring
22 Components
23 Supply connection and external flexible cables and
    cords
24 Terminals for external conductors
25 Provision for earthing
26 Electrical connections and screws
27 Creepage distances, clearances and distances through
    insulation
28 Resistance to heat, fire and tracking
29 Resistance to rusting
Appendices
A Electronic circuits
B Classification of controls as type 1 or type 2 in
    accordance with BS 3955
C Measurement of creepage distances and clearances
Tables
1 Maximum temperature rises
2 Test voltages for electric strength test
3 Limiting temperatures of windings
4 Maximum temperature rises during motor tests
5 Test force for screwed glands
6 Size of cable and conduit entries
7 Dimensions of pillar terminals
8 Dimensions of screw terminals
9 Dimensions of stud terminals
10 Torque values for screws and nuts
11 Creepage distances and clearances
12 Creepage distances and clearances for electronic
    circuits
Figures
1 Standard test finger
2 Special test finger
3 Test pin
4 Load for rotating accessory
5 Diagram for leakage current measurement at operating
    temperature for class II parts
6 Diagram for leakage current measurement at operating
    temperature
7 Diagram for electric strength test at operating
    temperature
8 Vertical rain apparatus
9 Spray apparatus
10 Splash apparatus
11 Device for testing shoulders in conduit entries
12 Schematic representation of cord anchorages
13 Typical examples of pillar, screw and stud terminals
14 Ball-pressure apparatus
15 Hot mandrel apparatus
16 Arrangement and dimensions of electrodes for
    tracking test

Requirements and associated test methods for domestic gas appliances without electrical heating, of maximum electrical input of 1 kW and of maximum gas heat input of 60 kW.

This British Standard specifies the electrical safety requirements for domestic gas appliances, hereinafter referred to as appliances, operating from a 240 V 50 Hz single phase supply without electrical heating and with a maximum electrical input of 1 kW and a maximum gas heat input of 60 kW.

In this standard, references to “hazards?? denote those hazards arising from the electrical equipment and wiring.

NOTE The titles of the publications referred to in this standard are listed on the inside back cover.

Committee
GSE/22
DevelopmentNote
Supersedes 89/79516 DC. (10/2005) Reviewed and confirmed by BSI, December 2011. (11/2011)
DocumentType
Standard
Pages
54
PublisherName
British Standards Institution
Status
Current

BS 546:1950 Specification. Two-pole and earthing-pin plugs, socket-outlets and socket-outlet adaptors
BS 5386-1:1976 Specification for gas burning appliances Gas burning appliances for instantaneous production of hot water for domestic use
BS 7003:1988 Specification for spring-operated impact-test apparatus and its calibration
BS 3955:1986 Specification for electrical controls for household and similar general purposes
HD 251 : S3 AMD 3 GENERAL SPECIFICATION FOR ELECTRIC COOKING AND HEATING APPLIANCES FOR HOUSEHOLD AND SIMILAR PURPOSES
BS 4607-3:1971 Non-metallic conduits and fittings for electrical installations Pliable corrugated, plain and reinforced conduits of self-extinguishing plastics material
BS 4573(1970) : 1970 SPECIFICATION FOR 2-PIN REVERSIBLE PLUGS AND SHAVER SOCKET-OUTLETS
BS 6004:1991 Specification for PVC-insulated cables (non-armoured) for electric power and lighting
BS 5386-4:1991 Specification for gas burning appliances Built-in domestic cooking appliances
BS 5386-5:1988 Specification for gas burning appliances Specification for gas burning instantaneous water heaters with automatic output variation (2nd and 3rd family gases)
BS 4568-2:1970 Specification for steel conduit and fittings with metric threads of ISO form for electrical installations Fittings and components
BS 3535-1:1990 Isolating transformers and safety isolating transformers General requirements
BS 4607-5(1982) : 1982 NON-METALLIC CONDUIT FITTINGS FOR ELECTRICAL INSTALLATIONS - PART 5: SPECIFICATION FOR RIGID CONDUITS, FITTINGS AND BOXES OF INSULATING MATERIAL
BS 4607-1(1984) : 1984 NON-METALLIC CONDUIT FITTINGS FOR ELECTRICAL INSTALLATIONS - PART 1: SPECIFICATION FOR FITTINGS AND COMPONENTS OF INSULATING MATERIAL
BS 4568-1:1970 Specification for steel conduit and fittings with metric threads of ISO form for electrical installations Steel conduit, bends and couplers
EN 60320-2-1:2000 Appliance couplers for household and similar general purposes - Part 2-1: Sewing machine couplers
BS 5386-3:1980 Specification for gas burning appliances Domestic cooking appliances burning gas
BS 5101-1:1975 Specification for lamp caps and holders together with gauges for the control of interchangeability and safety Lamp caps
EN 60320-2-2:1998 Appliance couplers for household and similar general purposes - Part 2-2: Interconnection couplers for household and similar equipment
BS 4607-2:1970 Non-metallic conduits and fittings for electrical installations Rigid PVC conduits and conduit fittings. Imperial units
EN 60320-1:2015/AC:2016 APPLIANCE COUPLERS FOR HOUSEHOLD AND SIMILAR GENERAL PURPOSES - PART 1: GENERAL REQUIREMENTS (IEC 60320-1:2015/COR1:2016)
BS 6217:1981 Guide to graphical symbols for use on electrical equipment
EN 60320-2-3:1998/A1:2005 APPLIANCE COUPLER FOR HOUSEHOLD AND SIMILAR GENERAL PURPOSES - PART 2-3: APPLIANCE COUPLER WITH A DEGREE OF PROTECTION HIGHER THAN IPX0

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Hardcopy - English
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