1.2.1. Explosion-proof safety regulations

Electrical systems that perform explosion-proof function and any approved changes should conform to the following standards.

IECEx

Ex ib [ib] pxb IIB T4 Gb

IECEx Standards:

IEC 60079-0: 2011 Ed.6

"Electrical apparatus for explosive gas atmospheres,

Part 0 : General Requirements“

IEC 60079-2:

2014 Ed 6

"Electrical apparatus for explosive gas atmospheres,

Part 2 : Equipment protection by pressurized enclosure ‘p’“

IEC 60079-11: 2011 Ed 6

"Electrical apparatus for explosive gas atmospheres,

Part 11 : Equipment protection by Intrinsic safety ‘i’“