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j. Switches/dimmers defective multiple pole needed:
Switches and dimmers are usually of the two pole type, in order to control a light or appliance from one location. These often fail. Failed switches and dimmers should be replaced immediately to avoid potential arcing, and consequently, overheating. Sometimes a switch is replaced with a dimmer. If the replaced switch was a 3 pole type, (Fig. j1, Item A) which is used when control of a light is desired from two different locations, then the dimmer should also be a 3 pole type (Fig. j1, Item B). If, instead of 3 pole dimmer, a 2 pole dimmer is used, neither switch location will completely control the light. Often the dimmer will only work when the other switch is in one position only.
 Fig. j1
What to: How to:
Replace all switches with ones that have the same number of poles. Hook up wires to the same poles the original switch used. Make certain that the switch is adequate for the load running through it. Most lighting circuits in homes are rated at 15 amps. Heavier circuits utilize thicker wires, which is a clue that heavier devices are needed. Most devices are marked with their rated amperage.
Reference: E4, E5, E9, E17 |
