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Unread 12-02-2014, 15:48
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Re: Another electrical inspection question

The burden of proof is always on the team. That's why we ask teams to bring data sheets for some stuff (like pneumatic components) - they have to prove the specs of whatever we're looking at meeting the rules.

When looking at wire, I can usually tell if a particular wire is the correct gauge. Sometimes, though, I'm not sure and I look for labeling on the wire itself. If the labeling isn't there, then the team will need to provide proof that the wire is the correct gauge - for this, the spool (with some wire still on it) with correct labels would probably suffice. If nothing else, I'll grab a set of wire strippers and strip a short (<1/2") section on a spare piece of wire to make sure it is the correct gauge.

I also always ask the students what gauge the wire is. It's something they should already know and be able to answer, and when they can't it's a teaching moment.
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Unread 12-02-2014, 16:24
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Re: Another electrical inspection question

The wire they used comes as a red-black pair with an overall jacket. The wire size is printed on the jacket. For our application (to and from motor controllers), we are discarding the jacket.

We can always bring a piece with the jacket that has the printing.
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Unread 12-02-2014, 16:29
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Re: Another electrical inspection question

The wire they used comes as a red-black pair with an overall jacket. The wire size is printed on the jacket. For our application (to and from motor controllers), we are discarding the jacket.

We can always bring a piece with the jacket that has the printing.
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Unread 12-02-2014, 19:54
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Re: Another electrical inspection question

Quote:
Originally Posted by philso View Post
The wire they used comes as a red-black pair with an overall jacket. The wire size is printed on the jacket. For our application (to and from motor controllers), we are discarding the jacket.

We can always bring a piece with the jacket that has the printing.
Do that, with the wires still in the outer jacket, so the inspector can see it.
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