Re: Newbie Advice needed

["brobin" <nospam@xxxxxxxxxxxxx>]

To answer your question about isolation directly - no, there is no isolation
between panels. Everything on the customer side of the street transformer
(including the neighbors) are common.

"Free" <Free-spam-me-not@xxxxxxxxxx> wrote in message
news:d4kea1pvc32an2qmuiin7f45hi5s10a97f@xxxxxxxxxx
> Jack - thanks for your challenging responses.  Please note my
> responses/questions below.
>
> "Jack Ak" <akjack@xxxxxxxxxx> wrote:
>>Because you don't exhibit basic knowledge of electrical
>>"terms-of-art".  Not understanding the difference between ground
>>and neutral wiring may result in unsafe and potentially fatal conditions.
>
> I think you mistake my approach (asking deferential questions and not
> presuming to know areas outside my expertise) with being an imbecile.
> In any of my many amateur electrical jobs, I scrupulously have insured
> good grounding and have never used the ground in place of the neutral.
>
>
>>You asked whether " the circuits off the auxiliary panel are
>>somehow isolated from the main panel and its circuits."
>
> If this is a stupid question, then I plead guilty on this one.  To
> further cement my ignorance, I still don't know the answer, although
> your reply does give me an idea :).  I do not know if the subpanel is
> somehow electrically isolated from the main panel in a way that
> interferes with PLC signals.  I gues not?
>
>
>>This is one example from your postings which reveal
>>lack of knowledge.  Describing two hot and neutral wires
>>as "three phases" is another example.
>
> Completely guilty.  I took a phrase that was vaguely familiar to me
> from a past life and applied it wrongly.  But I do understand the
> fundamental concept of using two hot wires and a neutral to provide
> flexible 240v or 120v power in a mixed application - like most
> residences in the U.S.
>
>
>>Here are several self test questions...
>>Why do the two wires from a wall switch to a lamp fixture use
>>white and black insulation?  Which color wire carries the current?
>>
>>What gauge wire should be used with a 20 amp circuit breaker?
>>
>>Why does an oven or range top use three conductors plus
>>a green grounding wire?
>>
>>You need not post the answers, but think carefully about making changes
>>to your electrical service if you have any doubt about the correct
>>answers.
>
> Yea! I pass (66% is passing, right?  In my defense, I am not laying
> any new circuits so I don't think I have to know
> off-the-top-of-my-head what gauge wire is needed for a 20amp circuit.
> If I do, I will look it up).  Seriously, this is useful to me and I
> thank you.
>
>