Also known as: MC-
MC has various meanings in the Internet - SMS - Text & Chating category. Discover the full forms, definitions, and usage contexts of MC in Internet - SMS - Text & Chating.
A switch which establishes circuit contact when its actuator is moved to and held in the ON postion. The circuit is broken when the actuator is allowed to return, of itself, to the OFF postion (such a switch may also be furnished to operate in the opposite mode).
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