Search found 7 matches

by Wibber
Fri Apr 05, 2019 2:58
Forum: Ask a Tech!
Topic: DCLC versus DCLA
Replies: 1
Views: 335

DCLC versus DCLA

Does anyone know of a descriptive resource on the difference between a DCLA and DCLC circuit beyond referencing Table 1?
by Wibber
Mon Sep 19, 2011 10:09
Forum: Ask a Tech!
Topic: Simplex 4020
Replies: 7
Views: 15169

Re: Simplex 4020

It's now jumpered on 2,5,7,9,12,13 - Local energy.

I'm trying to get dry contacts that change on a) trouble and b) alarm states in order to monitor the panel with a security system.

I eventually got the panel trouble to go away with a resistor accross the +,- nodes of the city tie.
by Wibber
Wed Sep 14, 2011 6:48
Forum: Ask a Tech!
Topic: Simplex 4020
Replies: 7
Views: 15169

Simplex 4020

Trying to change the monitoring of a Simplex 4020 from Reverse Polarity to a security panel monitoring trouble, supervisory and alarm contacts. When the reverse polarity conductors were removed it introduced a trouble with the city contacts. What is the difference between the P4 jumper options of lo...
by Wibber
Thu May 05, 2011 1:44
Forum: Annual Testing of Fire Safety Equipment
Topic: 6249C Smoke Detector
Replies: 1
Views: 10263

6249C Smoke Detector

Is the 6249C smoke detector ION or Photo?
by Wibber
Tue Dec 07, 2010 9:32
Forum: Ask a Tech!
Topic: AWM Conductor Use
Replies: 2
Views: 9266

AWM Conductor Use

Is AWM conductor suitable for a fire alarm install? Installed in conduit for the initiation circuit.

Some AWM is labelled AWM/TEW, which would be okay via Table 11.
by Wibber
Wed Nov 10, 2010 11:04
Forum: Ask a Tech!
Topic: Red Handled Breakers
Replies: 1
Views: 7035

Red Handled Breakers

Does Square D really not make a single pole 15A QO breaker with a red handle?
by Wibber
Sat Aug 07, 2010 7:47
Forum: Ask a Tech!
Topic: Training Options
Replies: 1
Views: 7224

Training Options

Are there any options for online training in Canadian Specific fire alarm training?