Re: Basic wiring question



zzz wrote:

> "Brandon Anderson" <bdanderson@xxxxxxxxxxxxx> wrote in message
> news:94pam19ktqcqlv0an4fkaiqqdq64s6mnn7@xxxxxxxxxx
> > Think about this for a second. Put a lamp in and test to make sue the
> > green is ground (you should get inf ohms between it and the other
> > two). Once that's done, it doesn't matter. A lamp is passive, it
> > just conducts, so as long as it is between the hot and neutral, it
> > doesn't care what color the wire is. Since the wireing is an old
> > standard, there's little point in trying to comply with it.
>
> It is true that for an incandescent lamp which pole is hot and which is
> neutral don't matter as long as you are sure about which is ground (Source
> 4s have 2 white wires along with the green). For some reason, which perhaps
> one of our group know, there is a convention in for bases like prefocus and
> screw where there is a center pin and a outer shell contact for the center
> pin to be hot and the shell to be neutral

Safety requirement. IF you have a burned out bulb that you are
changing, and the power switch is on. When you unscrew it,
the outer shell of the bulb is easily touched by the fingers, while it
is energized by the hot wire. *ZZZZAP!*

--Dale


.

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