In a school classroom?I had a customer request them be used (and I agree with him) to use them for all surface mounted receptacles in a particular area. It seemed the students would get bored and stick "stuff" in the holes in the box. They would even push in the knockouts on the boxes. He showed me some existing boxes as an example. They also look better than a 4"sq box IMHO.
A standard 1900 used for a pendent is also an NEC violtion.Headache makers a.k.a. supended pendent receptale box where the standard 1900 boxes will come apart pretty fast if not carefull.
A standard 1900 used for a pendent is also an NEC violtion.
It is debatable if the listing of a Bell Box allows pendent use but I have done it.