I am concerned about a newer electrical panel's installation, where one of the older load wires, at the main electrical panel, appear to be shorter in length, appear not reaching the desired circuit breaker's location, as a result, the Electrician elected to Pigtail it to reach its desired circuit breaker. How safe is such practice? Judging by other sub-standard electrical work that I uncovered in the attic, where wire connection are not done inside a junction box and left exposed, I am very concerned about the safety and the level of the finished electrical work. This residential electrical work was completed and approved by the local jurisdiction, building & safety, in the past few week in Southern California.
Electrical – Are these pigtails inside the panel and outside a junction box allowed
electricalelectrical-paneljunction-boxwiring
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Best Answer
Pigtails in a panel are fine...
Wire-splicing and pigtailing within a loadcenter cabinet (panel enclosure) is expressly permitted by NEC 312.8(A), and is quite safe (provided the splices are made up properly, of course):
...but that unenclosed splice job sure isn't!
However, that unenclosed splicing job is a big problem, and a clear violation of NEC 300.15 (none of 300.15(A)-300.15(L) permit anything remotely resembling a flop-a-dop splice job out in the open like this):
Also, that splice needs help anyway
Furthermore, that flop-a-dop splice contains some rather overstuffed wire nuts (7-8 wires into a nut that can only take 6), as well as missing or unhooked ground wires. That should be easy for whoever fixes it to fix, since they'll have to take the whole thing apart to get it boxed in any case, though.