Set 3 Practice Mode

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Q13836
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How many two way switches are required to control one lamp from 3 different places?
Q13837
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What is the name of wiring if one lamp controlled from two different places?
Q13838
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Which diagram informs the reader about design of circuit without giving any information on the circuit itself?
Q13839
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Which diagram indicates the physical position of accessories and final appearance of Installation?
Q13840
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Which wiring circuit needs to switch ON a lamp ahead, while the light behind is put OFF?