3 way switch - differentiate

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  #1  
Old 08-08-04, 09:07 AM
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3 way switch - differentiate

How do I tell the difference between a 3 way and a regular on/ off (2 way?) switch??
thanks,
Frank
 
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  #2  
Old 08-08-04, 09:13 AM
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The simplest way is to look at the lever on the switch. If it says "on" and "off" on it, it's a single-pole switch. If the lever is blank, then it's either a 3-way or a 4-way.
 
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Old 08-09-04, 06:14 AM
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If you have the switch in your hand a regular on/off will only have 2 screws + maybe a ground. A 3way will have 3 screws and a 4 way will have 4 screws.
 
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Old 08-09-04, 06:26 AM
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Originally Posted by joed
If you have the switch in your hand a regular on/off will only have 2 screws + maybe a ground. A 3way will have 3 screws and a 4 way will have 4 screws.
Not always correct. I have seen switches that have two screws per connection. A two way switch has four screws (plus ground). Enabling the connection of two wires without the need for a pigtail.
 
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