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You can’t grandfather a non compliant install. If it’s wrong it’s wrong? You touch it you own it? Look at it before you bid it?( and bring it to owner’s attention?) I realize it sounds harsh, but shouldn’t the buck stop somewhere?
 
Well said and starting Wednesday I am resigning as inspector and took a sweet part time plan review position so I will be asking a bunch of questions just like our buddy the “sting man”😁
 
In our jurisdiction, we (I am an inspector) generally allow the violation of existing wiring to stand but require new wiring to be compliant back to the existing panel.
One exception would be where the original simply had the neutral and grounding wires bonded at the panel. There it is a simple matter to separate them.
 
With few exceptions, grandfathering generally permits any work that was compliant when installed to remain.

Any work that was never compliant should be addressed, but separately from the scope of the present work.
The key is that the work that is on the permit is what should be inspected because that is the work the electrician actually did, not something that happened 50 years ago. If the inspector wants to point out to the owner that there are non-compliant issues beyond the scope of the permit, he is free to do so.
 
I too would not fail the inspection based on it being outside of the permitted scope of work. I also agree that it should be brought to the attention of the property owner and documented as a hazard. I might go as far as "opening an enforcement" but only if my boss directed me to do so.
 
from Mike Holt question and answer: 2002

110.14(A) states "Terminals for more than one conductor shall be so identified." When looking at the manufacturer's label inside the panel, you may see it lists 2 or 3 conductors per terminal for the equipment ground, but it does not list multiple conductors for the neutral. Section 408.21 in the 2002 NEC specifically states, "Each grounded conductor shall terminate within the panelboard in an individual terminal that is not also used for another conductor."



110.14 (A) from 2017 says Terminals for more than one conductor shall be so identified.


110.14(a) from 1987 says Terminals. Connection of conductors to terminal parts shall ensure a thoroughly good connection without damaging the conductors and shall be made by means of pressure connectors (including set-screw type), solder lugs, or splices to flexible leads. Terminals for more than one conductor and terminals used to connect aluminum shall be so identified.



I checked 408.21 in 2014 and 2017. it does not exist. (goes from 408.20 to 408.22)


I checked 408.21 from 1987. it does not exist. (stops at 402.12 then goes to 410)

Wonder if neutral/ground under one lug was permissible. ???

I will go out to shed tomorrow to check other issues.
 
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