Electrical code Compliance

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Author

TNV circuits.

agustos

2006-11-28, 9:25 am

Hi
I am very new on the subject of 60950 safety standard., so I have a lot
of trouble,
If someone could help me , I will be very pleasent.
My question is that: How can I decide that a circuit is TNV or not. I
know the voltages must be smaller than42.4V ac or 60V dc, but I wonder
should I measure all the voltages in the circuit or is there an easy
way to decide this.
For example a transformer is a circuit to decide which circuit is
primary and which one is secondary, before the transformer the circuits
are primary and after the transformer the circuits are secondery, like
that is there any criteria to classify a circuit is TNV or , limited
current or something like that.
I hope , I could tell my problem correctly.
Kind regards

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