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BS 6626:2010

Current
Current

The latest, up-to-date edition.

Maintenance of electrical switchgear and controlgear for voltages above 1 kV and up to and including 36 kV. Code of practice
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

08-31-2010

Foreword
Section 1: General
1 Scope
2 Normative references
3 Terms and definitions
4 Maintenance policy
5 Operational policy
6 Competence
Section 2: Safety
7 Personal protective equipment and treatment of persons
   suffering from electric shock
8 Operational experience
9 Safety rules and procedures for safe systems of work
10 Equipment location
11 Isolation and access for maintenance
12 Preparing for maintenance work
13 Fire extinguishing equipment
14 Testing
15 Disposal of scrap
Section 3: Common recommendations relating to maintenance
16 Manufacturer's instructions
17 Newly commissioned equipment
18 Frequency of maintenance
19 Records and drawings
20 Replacement parts
21 Cleanliness
22 Marking of covers and connections
23 Quality of connections
24 Maintenance and testing of insulation
25 Maintenance of safety earthing continuity
26 Shutters, locking devices, etc.
27 Interlocks
28 Ventilation
29 Equipment heating and lighting
30 Lifting devices
31 Tripping and closing supplies
32 Equipment tools, spares and test instruments
33 Conclusion of maintenance
Section 4: Additional recommendations relating to the
           maintenance of specific items
34 Circuit breakers
35 Switches
36 Disconnectors and earthing switches
37 Busbars and busbar chambers
38 Fuses
39 Contactors
40 Overload protective devices
41 Relays
42 Timing devices
43 Protective, measuring and control transformers
44 Instruments including recorders
45 Capacitors
46 Power electronic equipment
47 Cable boxes and terminations
48 Control switches including pushbuttons and limit switches
49 Liquid starters, controllers and resistors
50 Manual controllers
51 Sealed switches
52 Actuators
53 Indicator devices
54 Batteries
55 Compressed air plant
Annexes
Annex A (informative) - Statutory requirements and related
                        documents
Annex B (informative) - Example of items to be covered in
                        safety rules
Bibliography

Provides recommendations and guidance for the maintenance of electrical switchgear and controlgear having a rated a.c. or d.c. voltage above 1 kV and up to and including 36 kV.

This British Standard gives recommendations and guidance for the maintenance of electrical switchgear and controlgear having a rated a.c. or d.c. voltage above 1kV and up to and including 36kV.

NOTE1 This standard is not applicable to explosion protected switchgear and controlgear. Inspection and maintenance of electrical apparatus in explosive gas atmospheres is covered in BSEN60079‑17.

NOTE2 This British Standard covers applications above 1kV. Voltages below 1kV are considered to be low voltage in line with the European Commission Directive 73/23/EEC [1], known as the “Low voltage directive??.

Committee
PEL/17
DevelopmentNote
Supersedes BS 6626(1985) and 10/30174943 DC. (08/2010)
DocumentType
Standard
Pages
62
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 6423:1983 Code of practice for maintenance of electrical switchgear and controlgear for voltages up to and including 1 kV
BS EN 60282-1 : 2009 HIGH-VOLTAGE FUSES - PART 1: CURRENT-LIMITING FUSES
BS EN 60422:2013 Mineral insulating oils in electrical equipment. Supervision and maintenance guidance
BS EN 60480:2004 Guidelines for the checking and treatment of sulphur hexafluoride (SF<sub>6</sub>) taken from electrical equipment and specification for its re-use
BS PAS 55-1(2008) : 2008 ASSET MANAGEMENT - PART 1: SPECIFICATION FOR THE OPTIMIZED MANAGEMENT OF PHYSICAL ASSETS
IEC 60050-441:1984 International Electrotechnical Vocabulary (IEV) - Part 441: Switchgear, controlgear and fuses
BS EN 60644:2009 Specification for high-voltage fuse-links for motor circuit application
1973/23/EEC : 1973 COUNCIL DIRECTIVE OF 19 FEBRUARY 1973 ON THE HARMONIZATION OF THE LAWS OF MEMBER STATES RELATING TO ELECTRICAL EQUIPMENT DESIGNED FOR USE WITHIN CERTAIN VOLTAGE LIMITS
BS EN 13306:2010 Maintenance. Maintenance terminology
PD CLC/TR 62271-303:2009 High-voltage switchgear and controlgear Use and handling of sulfur hexafluoride (SF6)
BS EN 62271-1:2017 High-voltage switchgear and controlgear Common specifications for alternating current switchgear and controlgear
BS EN 60079-17:2014 Explosive atmospheres Electrical installations inspection and maintenance
BS EN 60900:2012 Live working. Hand tools for use up to 1000 V a.c. and 1500 V d.c.
BS EN 60470:2001 High-voltage alternating current contactors and contactor-based motor starters
BS EN 50110-1:2013 Operation of electrical installations General requirements

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