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#36890 - 04/17/04 11:11 AM low voltage question ?
mj Offline
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Registered: 06/10/02
Posts: 188
Loc: meriidian, ms
can any give a simple difference between class 1 ,class 2,class 3 circuits ? art # 725 is almost impossible to understand. and where to apply each class ?

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#36891 - 04/17/04 05:17 PM Re: low voltage question ?
hbiss Offline
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Registered: 12/16/03
Posts: 893
Loc: Hawthorne, NY USA
The difference is that Class 1 will say Class 1 on the device, Class 3 will say Class 3 etc.

There is no way for you to determine the class of wiring anymore. It is supposed to be printed on all listed transformers and power supplies.

-Hal
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#36892 - 04/17/04 05:51 PM Re: low voltage question ?
frenchelectrican Offline

Member

Registered: 02/06/03
Posts: 938
Loc: Wi/ Paris France { France for ...
unforeteally ,, the low voltage cables they do have class type stamped on it. is is very common with thermosat wires and intercom wires they will have wire size , numbers of conducter, type and class if have it .

merci , marc
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