Buying connectors 300V for 600V romex

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Old 08-02-17, 06:00 AM
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Buying connectors 300V for 600V romex

I have quick question. I have a romex 14 cable with 600V on it. I'm sure I have nowhere near 600V in my house, since all appliances run on 220.
Anyhow, I need to buy connectors and other things but I've noticed on one of them is written 300V? Can I use it?
I'm just confused.

Thanks in advance
 
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Old 08-02-17, 06:56 AM
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What type of connectors are you talking about? If talking about plugs and sockets to use Romex like a cord then that isn't approved by the NEC. Romex is not to be used as a cord.
 
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Old 08-02-17, 07:30 AM
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Are you asking about twist on connectors like wire nuts?

Your voltage to ground is 120, well under the 300 volt limit that they have been tested to.
 
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Old 08-02-17, 08:35 AM
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Old 08-02-17, 08:38 AM
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I was looking at this.

Tyco Electronics Romex Splice Kit 3 Wire, 1/Clam-CPGI-208169-2 - The Home Depot

I know it doesn't have much popularity votes, but I went through net, and saw it's even approved by inspectors
https://www.nachi.org/forum/f19/romex-connector-33522/

just wondering about voltage. would this splice kit rated at 300v work with my 600v romex?
 
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Old 08-02-17, 09:28 AM
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Is rhis question related to http://www.doityourself.com/forum/el...-wg-wires.html? If so you were given the correct answer in that thread. If so why are you asking again? None of the connectors you mentioned in the previous thread was appropriate and the one you mentioned here is for use in the manufacturing of modular homes not DIY residential projects.

I would suggest you buy the book Wiring Simplified and read it cover to cover before doing any electrical work. You need the basics of electrical knowledge before attempting any work.

When buying connectors the voltage rating of the cable is not relevant assuming it is cable suitable for use inside a house for 120 vol circuits which will usually be NM-b (AKA Romex). That rating is simply a specification that you normally don't even consider in residential wiring. Connectors should be appropriate for purpose used and wire size. In 120 volt wiring that connector is almost always wire nuts.
 

Last edited by ray2047; 08-02-17 at 10:01 AM.
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Old 08-02-17, 11:14 AM
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Votage rating needs to be at least as high as the highest nominal voltage it has to handle. Matching between components is not a requirement.
 
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Old 08-02-17, 11:15 AM
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Thank you for clarification. The home deport person recommended that to me but I wasn't sure.I really appreciate. Work box it is.
 
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Old 08-02-17, 05:43 PM
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I disagree with Ray on this one. The Tyco Electronics Romex Splice Kit is NEC approved and is not specified by code to only be use in manufactured homes. It is sold as a DIY device and is also UL listed. I'd use one if it was my only option.
 
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Old 08-02-17, 06:33 PM
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I'd use one if it was my only option.
It is rarely the only option, just the easiest option.
 
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Old 08-02-17, 09:27 PM
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I disagree with Ray on this one. The Tyco Electronics Romex Splice Kit is NEC approved and is not specified by code to only be use in manufactured homes.
You are correct. I retract my comments.
 
 

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