danny7299
Well-known member
Hi there
I have been asked to install a large fire alarm, (4 sub boards and one main board) for a showroom and workshops.
The problem is, although I have no problem installing, I have never design a system, and I don
I have been asked to install a large fire alarm, (4 sub boards and one main board) for a showroom and workshops.
The problem is, although I have no problem installing, I have never design a system, and I don