I got a reply from the person who normally assists me with these kind of technical questions.
I cannot mention the name of the outlet, but
All the stores we do now a days have ELU on 3 phase sockets - Problem with the older stores that were done before the regulation came out with regards
GCE Today, 02:00 PMSomething else you might want to look at, the wiring in the trunking, when you open the trunking in some places they full of oil, if so are the wires
Isetech Today, 01:13 PMLook carefully at the picture you posted, I do realize the extractor is designed to move sufficient air (steam) that the IP rating shouldn't be a factor,
Isetech Today, 12:45 PM
Socket outlets 3 phase - ELU
I am not aware of any that have exemptions - We have no nuisance tripping but you must put in a ELU per 3 machines
GCE Today, 02:22 PMThe reason it was done is so