Iyiphi Ileveli Yobufakazi Bokuqhuma Iphakeme, B noma C

The explosion-proof classification of IIC is considered superior, encompassing the requirements for both IIB and IIA, with IIB rated above IIA.

Isigaba Sesimo	Ukuhlukaniswa Kwegesi	Amagesi amele	I-Minimum Ignition Spark Energy
Ngaphansi Kwemayini	I	I-Methane	0.280mJ
Izimboni Ngaphandle Kwezimayini	IIA	I-Propane	0.180mJ
	IIB	I-Ethylene	0.060mJ
	I-IIC	I-hydrogen	0.019mJ

Imininingwane Yezobuchwepheshe