Installing Zinsco breaker. Any input/tips?

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  #1  
Old 08-08-03, 06:59 AM
951Tom
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Installing Zinsco breaker. Any input/tips?

Hello,
I want to install 30A Zinsco breakers to add a 240V clothes dryer. Any tips or suggestions besides turning off the main? I have a Fluke meter. The Zinsco was installed in '74 with 150A service & has performed flawlessly for 30 yrs despite everything bad I have read. Thank you.
 

Last edited by 951Tom; 08-08-03 at 07:36 PM.
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  #2  
Old 08-09-03, 03:52 PM
hotarc
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Get some good fire insurance! Just kidding. Be careful. Make sure you identify what parts will remain hot after you've switched off the main. I assume these are snap-in type breakers? Do you have two single 30 amps or one double pole? If they are singles you will need an approved handle tie, if available, to connect the two so they will trip simultaneously.
 
  #3  
Old 08-10-03, 08:14 AM
951Tom
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It's one double pole 30A which presses on. Which parts will remain hot after I switch off the main? Are you referring to the 2 large power supply wires at the top of the load center? When I switch off a breaker, my volt meter still says I'm getting a couple volts. Is this normal?
 
  #4  
Old 08-11-03, 06:13 AM
hotarc
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The large service wires will still be live and any other metal parts they are connected to before the main will be live also. Digital meter I assume? What you are experiencing is called phantom voltage and is often experienced with a digital meter. If you check it with an analog meter you should read zero.
 
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