some one could tell me if in class 1 zone 2 t3 iib should be made electric controll pannel in rule ARTICLE 505 of NEC ? if that is right can i make electric controll pannel explosion proff whit component european made in a rulew IEC 60079 ? anather things i have to do explosion test whit componenets inside the pannel ?
the mark of enclousure must be by ETL or UL ?
the mark of enclousure must be by ETL or UL ?