In article , gwandsh wrote:


At a junction box, why is it bad to step down the gauge of a wire to
match the draw of the load on that wire?
In my case, if I had 12 gauge wire to a junction box, why would 14
gauge from the box to the individual heaters be a violation?

Because the Code says so. There are only a few exceptions, and AFAIK this
isn't one of them.