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Common Wire

Postby Vinniemac » Sat Jan 26, 2008 7:53 pm

Why is the common wire called "common" ?
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Simply Build It

Postby ericmark » Sat Jan 26, 2008 10:49 pm

On a change over switch you connect either L1 or L2 to common. So common always connects to something. With on off switches the wire connected to hinge would be called common as switches use same moulding.

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