BS EN 50020:2002
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Electrical apparatus for potentially explosive atmospheres. Intrinsic safety \'i\'
Hardcopy , PDF
01-10-2009
English
31-07-2006
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1. Scope
2. Normative references
3. Definitions
4. Grouping and classification of intrinsically safe
apparatus and associated apparatus
5. Intrinsically safe levels of protection of electrical
apparatus
6. Apparatus construction
7. Components on which intrinsic safety depends
8. Infallible components, infallible assemblies of
components and infallible connections
9. Diode safety barriers
10. Type verifications and type tests
11. Routine verifications and tests
12. Marking
13. Documentation
Annex A (normative) Assessment of intrinsically safe circuits
Annex B (normative) Spark test apparatus for intrinsically safe
circuits
Annex C (informative) Measurement of creepage distances,
clearances and separation distances through casting
compound and through solid insulation
Annex D (normative) Encapsulation
Annex E (normative) Certification requirements for torches
Specifies the construction and testing of intrinsically safe apparatus, meant for use in potentially explosive atmospheres and for associated apparatus, which is meant for connection to intrinsically safe circuits which enter such atmospheres. Coverage includes: documentation, marking, and diode safety barriers. Also gives detailed definitions and annexes.
| Committee |
EXL/31/2
|
| DevelopmentNote |
Supersedes BS 5501-1(1977) and 89/25202 DC. (07/2002) Supersedes BS 1259(1958) (08/2006)
|
| DocumentType |
Standard
|
| Pages |
96
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| UNE-EN 50020:2003 | Identical |
| DIN EN 50020 : 2003 | Identical |
| NF EN 50020 : 2004 | Identical |
| EN 50020:2002 | Identical |
| I.S. EN 50020:2002 | Identical |
| SN EN 50020 : 2002 | Identical |
| NEN EN 50020 : 2002 | Identical |
| NBN EN 50020 : 2003 | Identical |
| BS 7924:1999 | Code of practice for the repair and overhaul of certified electrical apparatus intended for use in mines susceptible to firedamp |
| BS 5266-1:2005 | Emergency lighting Code of practice for the emergency lighting of premises |
| 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 6656:2002 | Assessment of inadvertent ignition of flammable atmospheres by radio-frequency radiation. Guide |
| DEFSTAN 02-605(PT1)/2(2003) : 2003 | GUIDE TO SELECTION OF SENSORS FOR MEASUREMENT OF SYSTEM PARAMETERS - PART 1: SELECTION OF LIQUID LEVEL, TEMPERATURE AND PRESSURE SENSORS |
| BS 6651:1999 | Code of practice for protection of structures against lightning |
| BS 6739:2009 | Code of practice for instrumentation in process control systems: installation design and practice |
| 05/30124836 DC : DRAFT JULY 2005 | BS 5266-1 - EMERGENCY LIGHTING - PART 1: CODE OF PRACTICE FOR THE EMERGENCY LIGHTING OF PREMISES |
| 09/30205684 DC : 0 | BS 7375 - CODE OF PRACTICE FOR DISTRIBUTION OF ELECTRICITY ON CONSTRUCTION AND BUILDING SITES |
| 08/30136724 DC : DRAFT MAY 2008 | BS 6739 - CODE OF PRACTICE FOR INSTRUMENTATION IN PROCESS CONTROL SYSTEMS - INSTALLATION DESIGN AND PRACTICE |
| BS 6704:1996 | Code of practice for selection, installation and maintenance of intrinsically safe electrical equipment in coal mines |
| BS 10999:2010 | Specification for distress signal units for the fire and rescue service |
| 09/30194709 DC : 0 | BS 10999 - SPECIFICATION FOR DISTRESS SIGNAL UNITS FOR THE FIRE AND RESCUE SERVICE |
| BS EN 1532:1997 | Installation and equipment for liquefied natural gas. Ship to shore interface |
| BS 6164:2001 | Code of practice for safety in tunnelling in the construction industry |
| IEC 60112:2003+AMD1:2009 CSV | Method for the determination of the proof and the comparative tracking indices of solid insulating materials |
| IEC 60127-3:2015 | Miniature fuses - Part 3: Sub-miniature fuse-links |
| IEC 60317-3:2004+AMD1:2010 CSV | Specifications for particular types of winding wires - Part 3: Polyester enamelled round copper wire, class 155 |
| EN 50039:1980 | Electrical apparatus for potentially explosive atmospheres - Intrinsically safe electrical systems 'i' |
| IEC 60317-7:1990+AMD1:1997+AMD2:1997 CSV | Specifications for particular types of winding wires - Part 7: Polyimide enamelled round copper wire, class 220 |
| HD 214 : 200S2 | RECOMMENDED METHOD FOR DETERMINING THE COMPARATIVE TRACKING INDEX OF SOLID INSULATING MATERIALS UNDER MOIST CONDITIONS |
| EN 60127-1:2006/A2:2015 | MINIATURE FUSES - PART 1: DEFINITIONS FOR MINIATURE FUSES AND GENERAL REQUIREMENTS FOR MINIATURE FUSE-LINKS |
| EN 60127-3:2015 | Miniature fuses - Part 3: Sub-miniature fuse-links |
| EN 60127-2:2014 | Miniature fuses - Part 2: Cartridge fuse-links |
| IEC 60317-8:2010 | Specifications for particular types of winding wires - Part 8: Polyesterimide enamelled round copper wire, class 180 |
| EN 50019:2000/corrigendum Apr. 2003 | ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY "E" |
| IEC 60127-1:2006+AMD1:2011+AMD2:2015 CSV | Miniature fuses - Part 1: Definitions for miniature fuses andgeneral requirements for miniature fuse-links |
| IEC 60127-2:2014 | Miniature fuses - Part 2: Cartridge fuse-links |
| IEC 60085:2007 | Electrical insulation - Thermal evaluation and designation |
| HD 566 : 200S1 | THERMAL EVALUATION AND CLASSIFICATION OF ELECTRICAL INSULATION |
| EN 60317-7:1994/A2:1998 | SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES - PART 7: POLYIMIDE ENAMELLED ROUND COPPER WIRE, CLASS 220 |
| EN 60317-3 : 94 AMD 1 98 | SPECIFICATIONS FOR PARTICULAR TYPES OF WINDING WIRES - PART 3: POLYESTER ENAMELLED ROUND COPPER WIRE, CLASS 155 |
| EN 50284:1999 | Special requirements for construction, test and marking of electrical apparatus of equipment group II, Category 1 G |
| EN 60317-8:2010 | Specifications for particular types of winding wires - Part 8: Polyesterimide enamelled round copper wire, class 180 |
| EN 60529:1991/AC:2016-12 | DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015) |
| EN 50014:1997/A2:1999 | ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS |
| EN 50303:2000 | Group I, Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust |
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