| Electric Wiring Symbols | |
| Switches | |
| Single pole switch…………………………………………………………………. | S |
| Double pole switch………………………………………………………………… | S2 |
| Three-way switch…………………………………………………………………… | S3 |
| Four-way switch…………………………………………………………………….. | S4 |
| Automatic door switch…………………………………………………………… | SD |
| Electrolier switch…………………………………………………………………… | SE |
| Key-operated switch……………………………………………………………… | SK |
| Switch with pilot lamp…………………………………………………………….. | SP |
| Circuit Breaker………………………………………………………………………. | SCB |
| Weatherproof circuit breaker…………………………………………………. | SWCB |
| Momentary contact switch……………………………………………………… | SMC |
| Remote control switch…………………………………………………………… | SRC |
| Weatherproof switch……………………………………………………………… | SWP |
| Fused switch…………………………………………………………………………. | SF |
| Weatherproof fused switch…………………………………………………….. | SWF |
| Pull switch from ceiling…………………………………………………………… | |
| Pull switch from wall………………………………………………………………. | |
