wrote in message
oups.com...
I have several electrical questions:

1. Is it allowable to connect 12 gauge wire to a 15amp breaker in the
service panel ?
Yes

2. How many half height single pole breakers are allowed in the main
panel rated for 200amp ?
As many as the panel is designed to accept, but no panel can have more
than a total of 42 poles

3. I noticed something very interesting in a 3-way switch arrangement
in my home. To power a receptacle, they grabbed an unswitched feed
from the light fixture by connecting a black wire to both travelers in
the box. Since there is always power on exactly one of them, this
seems to work. Is this allowable ?
You must be mistaken. If you connected a black wire to both travelers,
thus bridging them together, the light that the three way system
controlled would stay on

4. Is it ok to wire more than 4 receptacles downstream from a GFCI
outlet ?
Yes
Thanks...