[PLUG-TALK] Electrical circuit branch: identify first outlet

[Rich Shepard]

On Tue, 3 Jan 2023, Denis Heidtmann wrote:

> Only two wires (one cable) means that it is the last. All the others will
> have two cables. This assumes they are in a single line; no branching.
> (Branching would require three cables in one outlet.) On that assumption,
> choose the outlet you guess is most likely the first and disconnect one
> black wire. Does that cut power to all the other receptacles? If so, you
> have found the first and you are ready to put in the GFCI. If not, make
> another guess among the outlets which remained powered and repeat.

Denis,

Thanks. That makes sense.

> BTW, to be precise, "outlet" is the box into which the cables are routed.
> "Receptacle" the thing that you stick the plugs into.

True. Yet "outlet" is often used to refer to "receptacles". So says the
B&D Complete Guide to Electrical Wiring. :-) Having read that yesterday I
changed how I refer to them.

Regards,

Rich