BS EN 50021:1999
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
Electrical apparatus for potentially explosive atmospheres. Type of prot ection \'n\'
Hardcopy , PDF
01-06-2008
English
17-03-2006
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Foreword
Section One: General
1 Scope
2 Normative references
3 Definitions
4 General requirements
Section Two: Requirements for all electrical apparatus
5 General
6 Construction
7 Connection facilities and wiring
8 Clearances, creepage distances and separations
9 Electric strength
Section Three: Supplementary requirements for non-sparking
apparatus
10 Rotating machines
11 Fuses and fuse assemblies
12 Luminaires
13 Instruments and low-power apparatus
14 Current transformers
15 Plugs and sockets
16 Cells and batteries
Section Four: Supplementary requirements for apparatus
producing arcs, sparks or hot surfaces
17 General
18 Enclosed-break devices and non-incendive components
19 Hermetically sealed device
20 Sealed device or encapsulated device
21 Energy-limited apparatus and circuits
22 Restricted-breathing enclosures
23 Simplified pressurization
Section Five: Verification and testing
24 General
25 Documents
26 Type tests
27 Routine verifications and tests
Section Six: Marking and documentation
28 Marking
29 Documentation
30 Manufacturer's responsibility
Annex A (normative) Assessment of energy-limited
apparatus and circuits by reference curves and tables
Defines requirements for construction, testing and marking of Group II electrical apparatus with type of protection "n", meant to be used solely in areas where explosive atmospheres of gas, vapour and mist are not likely to occur, or if they do, only infrequently or for a short time.
| Committee |
EXL/31
|
| DevelopmentNote |
Supersedes BS 6941(1988). (09/2003) Supersedes BS 5000-16(1997). (03/2006) Inactive for the new design. (07/2006)
|
| DocumentType |
Standard
|
| Pages |
62
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| DIN EN 50021 : 2000 | Identical |
| NBN EN 50021 : 1ED 2000 | Identical |
| NEN EN 50021 : 99 C1 2000 | Identical |
| UNE-EN 50021:2000 | Identical |
| SN EN 50021 : 1999 | Identical |
| I.S. EN 50021:2001 | Identical |
| NF EN 50021 : 2000 | Identical |
| EN 50021 : 99 COR 2000 | Identical |
| EN 50021:1999 | Identical |
| DEFSTAN 00-101(PT3)/1(2005) : 2005 | DESIGN STANDARDS FOR EXPLOSIVES SAFETY IN MOD SHIPS AND SUBMARINES - PART 3: ELECTRICAL EQUIPMENT AND INSTALLATION |
| DEFSTAN 00-101(PT3)/2(2008) : 2008 | DESIGN STANDARDS FOR EXPLOSIVES SAFETY IN MOD SHIPS AND SUBMARINES - PART 3: ELECTRICAL EQUIPMENT AND INSTALLATION |
| BS 6739:2009 | Code of practice for instrumentation in process control systems: installation design and practice |
| 08/30136724 DC : DRAFT MAY 2008 | BS 6739 - CODE OF PRACTICE FOR INSTRUMENTATION IN PROCESS CONTROL SYSTEMS - INSTALLATION DESIGN AND PRACTICE |
| BS 5410-2:1978 | Code of practice for oil firing Installations of 45 kW and above output capacity for space heating, hot water and steam supply services |
| IEC 60112:2003+AMD1:2009 CSV | Method for the determination of the proof and the comparative tracking indices of solid insulating materials |
| EN 60068-2-75:2014 | Environmental testing - Part 2-75: Tests - Test Eh: Hammer tests |
| EN 60924:1991/A1:1994 | SPECIFICATION FOR GENERAL AND SAFETY REQUIREMENTS FOR D.C. SUPPLIED ELECTRONIC BALLASTS FOR TUBULAR FLUORESCENT LAMPS |
| EN 61048:2006/A1:2016 | AUXILIARIES FOR LAMPS - CAPACITORS FOR USE IN TUBULAR FLUORESCENT AND OTHER DISCHARGE LAMP CIRCUITS - GENERAL AND SAFETY REQUIREMENTS (IEC 61048:2006/A1:2015) |
| HD 214 : 200S2 | RECOMMENDED METHOD FOR DETERMINING THE COMPARATIVE TRACKING INDEX OF SOLID INSULATING MATERIALS UNDER MOIST CONDITIONS |
| EN 60238 : 2004 AMD 2 2011 | EDISON SCREW LAMPHOLDERS (IEC 60238:2004/A2:2011) |
| EN 60034-1:2010/corrigendum Oct. 2010 | ROTATING ELECTRICAL MACHINES - PART 1: RATING AND PERFORMANCE |
| EN 60920:1991/A11:2000 | BALLAST FOR TUBULAR FLUORESCENT LAMPS - GENERAL AND SAFETY REQUIREMENTS |
| EN 50020:2002 | Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i' |
| ISO 4892:1981 | Plastics Methods of exposure to laboratory light sources |
| HD 625.1 : 200S1 | INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS - PRINCIPLES, REQUIREMENTS AND TESTS |
| EN 60400:2017 | Lampholders for tubular fluorescent lamps and starterholders |
| IEC 60216-2:2005 | Electrical insulating materials - Thermal endurance properties - Part 2: Determination of thermal endurance properties of electrical insulating materials - Choice of test criteria |
| EN 60947-1:2007/A2:2014 | LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES (IEC 60947-1:2007/A2:2014) |
| HD 611.1 : 200S1 | GUIDE FOR THE DETERMINATION OF THERMAL ENDURANCE PROPERTIES OF ELECTRICAL INSULATING MATERIALS - GENERAL GUIDELINES FOR AGEING PROCEDURES AND EVALUATION OF TEST RESULTS |
| EN 60927:2007/A1:2013 | AUXILIARIES FOR LAMPS - STARTING DEVICES (OTHER THAN GLOW STARTERS) - PERFORMANCE REQUIREMENTS (IEC 60927:2007/A1:2013 (34C/951/CDV)) |
| EN 60060-2:2011 | High-voltage test techniques - Part 2: Measuring systems |
| EN 60068-2-27:2009 | Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock |
| EN 60928:1995/A1:1999 | AUXILIARIES FOR LAMPS - A.C. SUPPLIED ELECTRONIC BALLASTS FOR TUBULAR FLUORESCENT LAMPS - GENERAL AND SAFETY REQUIREMENTS |
| EN 61049:1993 | Capacitors for use in tubular fluorescent and other discharge lamp circuits - Performance requirements |
| EN 60269-3:1995/A1:2003 | LOW-VOLTAGE FUSES - PART 3: SUPPLEMENTARY REQUIREMENTS FOR FUSES FOR USE BY UNSKILLED PERSONS (FUSES MAINLY FOR HOUSEHOLD AND SIMILAR APPLICATIONS) |
| EN 60926:1996/A1:1999 | AUXILIARIES FOR LAMPS - STARTING DEVICES (OTHER THAN GLOW STARTERS) - GENERAL AND SAFETY REQUIREMENTS |
| EN 60155:1995/A2:2007 | GLOW-STARTERS FOR FLUORESCENT LAMPS |
| EN 61184:2017 | Bayonet lampholders |
| ISO 179:1993 | Plastics Determination of Charpy impact strength |
| EN 60662:2012 | High-pressure sodium vapour lamps - Performance specifications |
| EN 60529:1991/AC:2016-12 | DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015) |
| EN 60922:1997 | Auxiliaries for lamps - Ballasts for discharge lamps (excluding tubular fluorescent lamps) - General and safety requirements |
| HD 611.2 : 200S1 | GUIDE FOR THE DETERMINATION OF THERMAL ENDURANCE PROPERTIES OF ELECTRICAL INSULATING MATERIALS - CHOICE OF TEST CRITERIA |
| EN 50014:1997/A2:1999 | ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS |
| IEC 60664-1:2007 | Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests |
| IEC 60216-1:2013 | Electrical insulating materials - Thermal endurance properties - Part 1: Ageing procedures and evaluation of test results |
| EN 60034-5:2001/A1:2007 | ROTATING ELECTRICAL MACHINES - PART 5: DEGREES OF PROTECTION PROVIDED BY THE INTEGRAL DESIGN OF ROTATING ELECTRICAL MACHINES (IP CODE) - CLASSIFICATION |
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