SWITCHES - 1
| Some common switches are shown on this information sheet. Basically switches bring contacts together in different ways but they do the same switching job. | |
| Typical Switch Symbols | |
 | |
| KEY SWITCH | |
 | This switch is available in different forms. They provide limited security as a key is required to ‘switch’ them on and off. |
| PUSH SWITCH | |
 | These can be ‘push to make’ (push the switch to allow the circuit to work) or ‘push to break’ (push the switch to turn off the circuit). |
| ROCKER SWITCH | |
 | This switch is common on many electrical devices. For example they are found on computer units for turning them on and off. |
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