Scott you got me stumped.

I thought of labels but I think I see some.

I thought of the transformers in the working space but they are too high for that.

I thought of protection from physical damage but that is a subjective article and if the AHJ does not think these are subject to damage then it is OK. [Linked Image]

So what is it? [Linked Image]

Pretty nice looking parallel pipe work. [Linked Image]

Bob

Bob Badger
Construction & Maintenance Electrician
Massachusetts