Electrician Pre-Apprenticeship

Switches

15 Amp 120 Volt
20 Amp 120/277 Volt
30 Amp 120/277 Volt
Water Heater
A disconnecting means shall be located in sight from the device location and shall be installed so the center of the grip of the operating handle of the switch or circuit breaker, when in its highest position, is not more than 6 ft 7 in. above the floor or working platform
120/240 or 277/480 volts

This may sound dumb, when you look at a single pole switch, It will say On or No. Which do you think is the right way? Remember this, screws always go to the right.


Three and four way switches have no on and off writen on them.

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