Does a 1/2" copper condensate line mounted to the floor 3'3" back from the front of a 277/480V VFD violate condition 2 in table 110.26(A)(1)? This pipe (grounded part) is something that could get stepped on but not backed-into like a steel railing or concrete wall so why should it be seen any different than the concrete an electrician would be standing on? If it is a violation then apparently a ridge or step in the concrete floor (even one only a fraction of an inch high) at 3'3" back would also be against the NEC.
