How much do those things cost per piece?
It seems that they are trying to make it safer for unqualified personnel to do this type of work.
I think any safety advantage of this type of disconnecting means is marginal at best, because you still must remove the bulbs and disassemble the energized fixture to get to it. I’ve seen a lot of bi-pin fluorescent fixtures with black arc burn marks just below the lamp sockets from inadvertent contact with the grounded metal housing. You can still sometimes get a good wallop from a de-energized fixture from residual capacitance stored in the defective ballast.
Personally, I don’t think I want to hold one side of that little plastic piece of crap in each hand while energized when I remake the ballast connection. Especially not under any load and even more so with 277v.
JMHO
