Discuss MPBC is it required in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net
English man, English.consider a MPBC to it
Main Protective Bonding Conductor ..everything’s abbreviated these days…SozEnglish man, English.
Ok… it’s a bit different from normal circumstances, being a possible internal & external situation on fault conditionNo, unless it's likely to introduce a potential.
It’s in contact with the ground & the rollers are metal tooIs it in direct contact with the ground?
Then it needs bonding. By definition of an extraneous conductive part.It’s in contact with the ground & the rollers are metal too
It may not be, though. If the controller / motor unit is class 2 (which I'd wager it is) then it's not an extraneous part. No different to the now infamous crittal window scenario. In fact I'd go so far as to suggest that by bonding it you could be introducing a potential hazard where none previously existed.Then it needs bonding. By definition of an extraneous conductive part.
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