two circuits into one jb ?
Originally Posted by canuck52
if I wanted two circuits I have to use a 3 wire (2 hots) and take one circuit from the black wire and one from the red, and then use a tie breaker in the panel between the two circuit breakers.
It sounds like you are describing a MWBC (Multi-Wire Branch Circuit). MWBCs share a neutral and do indeed have the restrictions your friend describes. However, it sounds like you want to have independent neutrals, so you do not have a MWBC, so those restrictions would not seem to apply.
The above post is for entertainment purposes only. Its contents may, and probably will, lead to legal liability and damage or loss of property, life, or limb. Use at your own risk.