meaning of abbrevaitions ques?

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I added this to the end of the wire statement

It is important to note that many insulation types, such as Thhw, are listed for wet and dry location but when used in wet location the temperature rating is 75C. When used in a dry location the same wire is rated 90C. Some wires have a designation of -2, eg. Thwn-2. This means that the wire is listed for 90C in both wet and dry locations.
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Dennis Alwon said:
No big deal-- anything for you foreigners..:thumbsup: But we will have to differ on the way we say schedule and aluminum. :lol:
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Since Mrs B is American, I'm used to some of your quirky ways. We Brits would probably pronounce aluminum they same way you do - if we happened to use that word instead of aluminium. :p
 
Dennis Alwon said:
If you get a chance check these out and let me know of anything else to add there.


The "T" stands for thermoplastic insulated cable.

A single "H" means the insulation is heat resistant.

"HH" means that the insulation is heat resistant and can withstand a higher temperature. This insulation can withstand heat up to 194 degrees Fahrenheit.

A "W" means that the insulation is approved for damp and wet locations. This insulation is also suitable for dry locations.

The "X" means the cable is made of a synthetic polymer that is flame-retardant.

The "N" is for the nylon coating that covers the wire insulation.
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I fiexed it for you.
 
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