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#36890 - 04/17/04 02:11 PM low voltage question ?  
mj  Offline
Member
Joined: Jun 2002
Posts: 186
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 08:17 PM Re: low voltage question ?  
hbiss  Offline
Member
Joined: Dec 2003
Posts: 886
Hawthorne, NY USA
The difference is that Class 1 will say Class 1 on the device, Class 3 will say Class 3 etc. [Linked Image]

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


#36892 - 04/17/04 08:51 PM Re: low voltage question ?  
frenchelectrican  Offline
Member
Joined: Feb 2003
Posts: 939
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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