Class 1, 2, 3 Low Voltage Circuits

[cflava]

Being more specific, what exactly would be examples of Class 1, 2, and 3 circuits as it is mentioned in Article 725? e.g. fire alarm, motor control circuits, CAT5. Which is which?

 

[cpal]

all of the above could be a cl 1,2 or 3 circuit .

725 defines the class see 725.41, and 121 for starts

 

[tom baker]

Class 1 non power limited- motor control circuit
Class 2 thermostat or door bell
Class 3 Nurse call