blueman wrote:
Can wiring to a light off a 20A circuit be done in 14ga wire?
What about wiring to an upstream 15A receptacle?
Or, does all wiring on a 20A circuit breaker need to be at least 12ga?

Thanks

I would say never. I hear folks say it can be used between switch and
bulb, but that just does not seem right. Breaker protects the wiring,
nothing more nothing less.

Perhaps someone puts in a heavy duty bulb of some sort that is broken
and begins to draw lots of current. The circuitry wont be protected by
the breaker. An all around bad idea.


To put it simply, the wiring should _always_ match the breaker.

--
Thank you,



"Then said I, Wisdom [is] better than strength: nevertheless the poor
man's wisdom [is] despised, and his words are not heard." Ecclesiastes 9:16