BS EN 60076-4. Power transformers - Part 4. Guide to the lightning impulse and switching impulse testing. Power transformers and reactors Ingestion-build-134498 for use with coalface cutters

for use with coalface cutters and other similar machines: types 307

It relates to such instruments which in normal or foreseeable circumstances are likely to be used by children up to the age of 14 years

It is applicable to integrated on-torch systems and to systems where a discrete extraction system is attached to the welding torch close to the arc area

and other regulations in force in a particular country in which it is intended to apply it

BS EN 60076-4. Power transformers - Part 4. Guide to the lightning impulse and switching impulse testing. Power transformers and reactors Ingestion-build-134498 for use with coalface cutters