Fire Alarm Class B Circuits Explained

Описание к видео Fire Alarm Class B Circuits Explained

The information in this video is intended to help industry technicians with the installation, maintenance, and testing of fire alarm systems. In this video we define a Class B circuit, discuss how these circuits work, expalin the roll of diodes in notification appliance circuits (NAC) and how to test all of these functions with a digital multimeter.

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