Type cl2r/cl3r cable can be used for both class 2 and 3 circuits and Circuits signaling Class a and class b type wiring/fire alarm safety system
CLASS A AND CLASS B TYPE WIRING/FIRE ALARM SAFETY SYSTEM - YouTube
Class alarm wiring fire system safety type Circuits nec limited Article 100 class 1, 2 and 3 circuits.
![Type CL2R/CL3R cable can be used for both Class 2 and 3 circuits and](https://i2.wp.com/www.electricallicenserenewal.com/Electrical-Continuing-Education-Courses/graphics/sectionPics/large/qid533.jpg)
Type CL2R/CL3R cable can be used for both Class 2 and 3 circuits and
![CLASS A AND CLASS B TYPE WIRING/FIRE ALARM SAFETY SYSTEM - YouTube](https://i.ytimg.com/vi/q8Vt5HO1ykE/maxresdefault.jpg)
CLASS A AND CLASS B TYPE WIRING/FIRE ALARM SAFETY SYSTEM - YouTube
![Article 100 Class 1, 2 and 3 Circuits.](https://i2.wp.com/www.electricallicenserenewal.com/Electrical-Continuing-Education-Courses/graphics/sectionPics/large/qid783.jpg)
Article 100 Class 1, 2 and 3 Circuits.