Search found 3 matches

by Centurion
Mon May 22, 2017 2:41
Forum: Ask a Tech!
Topic: Tracing Ground Fault on Conventional Vs. Addressable
Replies: 5
Views: 2698

Re: Tracing Ground Fault on Conventional Vs. Addressable

Hi Zeus, In my experience most ground fault are caused by: 1) Installation; wires pinched in a back box or a back box connector screwed in too tightly. :roll: 2) A supervision switch on a sprinkler system that has gotten filled with water after a defective seal. 3) Quite often I get the call after a...
by Centurion
Sun Feb 02, 2014 7:49
Forum: Verification of Fire Alarm Systems
Topic: Proper Verifying Parties.
Replies: 8
Views: 11723

Re: Proper Verifying Parties.

Reviving this old thread I'd like to had my two cents on this. I've had arguments over this issue with some people in the field. My interpretation of ULC537 is that a manufacturer that sends it's tech to program and verify an installation is violating the intent of 537. If one manufacturer's tech co...
by Centurion
Sun Feb 02, 2014 7:23
Forum: Need Parts/Have Parts
Topic: MOD400R Field Sensitivity Test Module
Replies: 0
Views: 5142

MOD400R Field Sensitivity Test Module

Looking for a functional MOD 400R from System Sensor!