Рет қаралды 84,125
Friends, how many devices are used in this video fire alarm system loop and how many classification of wiring are there, what should be the sound of the fire hooter, how much area does a fire alarm system loop cover, how many fire zones can be divided in your loop. We are answering all the questions in this video.
Email :-sachinfireofficer@gmail.com
[ THANKS FOR WATCHING THIS VIDEO ]
Sachin Kumar Singh