| A | B |
|---|
| Switch leg goes to the utilization equipment (such as; light or receptacle) that is being operated by the switch(es). | Rule 3 |
| Neutral (120volt system) runs all the way to utilization equipment from the panel. It does NOT hook to the switch | Rule 1 |
| Hot wire goes to whatever you will be switching the utilization equipment with such as a switch. | Rule 2 |
| Travelers are used when you have more than one switch operating a given piece of equipment, normally a light. Travelers go to travelers. | Rule 4 |
| Equipment using power such as; light bulb, motor, etc. | Utilization Equipment |
| the conductor (wire) which ultimately comes from the breaker or fuse. This wire is always on unless it is cut off at the breaker/fuse or main service. | Hot Wire/Feed/Supply |
| Item which carries but does not utilize electrical energy. | Device/Switch |
| the conductor (wire) which comes from a switch to the utilization equipment. It will be hot when the switch(es) are on and not hot when off. | Switch Leg |
| A road map of how the wiring is to be run showing number of conductors & homerun. | 1-line Diagram |
| A detailed drawing of the wiring problem showing wire colors & specific hook-up | Schematic |
| The green or bare conductor in the wiring project. | Grounding Conductor |
