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ISA 12.20.01 : 2009(R2014)
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The latest, up-to-date edition.
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GENERAL REQUIREMENTS FOR ELECTRICAL IGNITION SYSTEMS FOR INTERNAL COMBUSTION ENGINES IN CLASS 1, DIVISION 2 OR ZONE 2, HAZARDOUS (CLASSIFIED) LOCATIONS
12-01-2013
1 Purpose
2 Scope
3 References
4 Definitions
5 General requirements
6 Construction and testing requirements
6.1 General
6.2 Power sources
6.3 Ignition control unit
6.4 Primary wires
6.5 Ignition coils
6.6 Secondary leads
6.7 Spark plugs
7 Spark containment
7.1 General
7.2 Secondary leads
7.3 Spark plugs
7.4 Terminations
8 Spark prevent
8.1 General
8.2 Terminations
9 Spark detection/prevention
10 Documentation and marking
11 Test procedures
11.1 Abrasion test for secondary leads or wiring
11.2 Elevated temperature exposure test
11.3 Chemical compatibility
11.4 Vibration test
11.5 Shielded secondary system tests
11.6 Spark plug pressure and temperature tests
11.7 Secondary lead assembly flashover tests
11.8 Secondary lead UV degradation tests
11.9 Secondary lead bending and dielectric voltage
withstand tests
11.10 Spark prevention test
11.11 Primary and secondary terminations pull test
11.12 Spark plug dielectric test
11.13 Secondary lead or wiring insulation cut test
11.14 Surface temperature test
11.15 Impact test
11.16 Secondary lead pull test
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