GB 3836.3-2010 Explosive atmospheres—Part 3:Equipment protection by increased safety e (Text of Document is in English) - Beijing translation compay

Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Constructional requirements for all electrical apparatus
5 Supplementary requirements for specific electrical apparatus
6 Type verifications and type tests
7 Routine verifications and routine tests
8 Ex component certificates
9 Marking and instructions
Annex A (Normative) Cage motors - Methods of test and of calculation
Annex B (Normative) Type tests for specific forms of resistance heating devices or resistance heating units (other than trace heater)
Annex C (Informative) Cage motors - Thermal protection in service
Annex D (Informative) Resistance heating devices and units - Additional electrical protection
Annex E (Informative) Combinations of terminals and conductors for general purpose connection and junction boxes
Annex F (Informative) Dimensions of copper conductors
Annex G (Informative) Potential stator winding discharge risk assessment - Ignition risk factors
Annex H (Normative) Test procedure for T8, T10 and T12 lamps
Annex I (Informative) Introduction of an alternative risk assessment method encompassing ‘Equipment Protection Levels’ for Ex Equipment