Electrical wiring handbook

Electrical wiring handbook

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Some homes have special transformers installed on them so that the normal 110- 120 volt 60 hertz ac supplied from the lines will be reduced to the 12 volts level needed. In these homes there will be a cutoff switch. The switch may beanbsp;...

Title:Electrical wiring handbook
Author:Edward L. Safford
Publisher: - 1980


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