Excluding exceptions, why are voltage ratings not marked on Class 2 and Class 3 cables per the listing requirements of Part IV of Art. 725? A) Because voltage markings on these cables may be ...
When it comes to the placement of Class 1, Class 2, and Class 3 remote-control, signaling, and power-limited circuits, which one of the following statements meets Code requirements? Class 1, Class 2 ...