Another nm cable connects from this dimmer box to the light fixture box. Many manufacturers are now producing dimmer switches that can be used for either single pole or 3 way switches.

Can I Switch The Location Of A Dimmer Switch With The Other
Dimmer switch wiring symbols. 4 way switch wiring diagram with dimmer wiring diagram is a simplified tolerable pictorial representation of an electrical circuitit shows the components of the circuit as simplified shapes and the aptitude and signal friends amongst the devices. This list of switch symbols will help you to identify these devices on the electrical blueprint or wiring diagram layout. If you are replacing an existing 3 way switch. With conventional dimmer wiring using nm cable a nm cable supplies line voltage from the electrical panel to the dimmer outlet box. Due to the number of variants used there may have several symbols in this reference chart for the same type of equipment these can vary dependent upon drawing package used. Dimmer switch wiring diagrams including 3 way dimmers.
When replacing an existing 3 way switch take note of how the existing switch is wired before you remove the wiring then refer to your notes to help you wire the new 3 way dimmer switch. When performing any electrical wiring for any of these switches devices you will be able to identify the type and location of the various devices from this list of switch symbols. Common electrical symbols this is not a definitive list of all symbols used in electrical identification but merely a guide to some of the more commonly used symbols. Here is a standard wiring symbol legend showing a detailed documentation of common symbols that are used in wiring diagrams home wiring plans and electrical wiring blueprints. Wiring diagrams use simplified symbols to represent switches lights outlets etc.