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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Electrical apparatus for potentially explosive atmospheres. Intrinsic safety \'i\'
Hardcopy , PDF
01-10-2009
English
31-07-2006
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
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