Simple 2 Wires On One Breaker

If the breaker wasn t designed for it you are violating the listing and any ahj worth it s salt would flag it.

2 wires on one breaker. If the two wires are not fastened tightly enough this could result in arcing. I m sure paul or marc can elaborate on this subject. 12ga wire you can pair.

Some breakers are designed to accept 2 wires square d for example all others are only rated for 1 wire under the screw. If the breaker is listed by the mfgr for use with two wires go for it. If it is listed for use with one wire use a pigtail.

It is very common to see this condition because sometimes people that do not understand what they are doing do electrical work. I want to wire a porch light same cable type to the shop but instead of branching off the bathroom light with a j box i would like to attach another wire to the same breaker if allowed. However if there are no additional spare spaces available installing a larger distribution or a sub panel can be expensive.

This is also a common setup found during home or business inspections performed for commercial purposes. If you re running 14ga wire you can run two lines into a 15a breaker. With two wires connected to the same breaker or terminal the circuit breaker could overheat.

Arcing occurs when two electrodes produce a plasma discharge a fire may also occur if your circuit breaker is double tapped. It really is that simple. The most convenient method of correcting the problem is to add an additional breaker to the distribution panel.

Having two wires or circuits as shown in figure 2 on a single breaker generally occurs because the home has required additional receptacles or lighting. That is a practice that has been going on for years. I would like to know if it s acceptable to run two wires from the same breaker.