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Older "Touch Plate" brand relay system #174204
01/29/08 01:40 AM
01/29/08 01:40 AM
A
aldav53  Offline OP
Member
Joined: Aug 2001
Posts: 545
Chandler, AZ USA
Checked a job today that had a late 50's "Touch Plate Electro Systems Inc" Relay System. Customer said previously one reley would go out and it would cause several buttons for other lights that wouldn't work.
Anyone ever come across an older (X-10 look alike) but with lighted buttons and relays, (not progammable of course) system like this and how they are wired roughly? First I've seen in 30 years of work.


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Re: Older "Touch Plate" brand relay system [Re: aldav53] #174207
01/29/08 05:12 AM
01/29/08 05:12 AM
I
iwire  Offline
Moderator
Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA
Check out this link, it has manuals, diagrams, parts etc.

Touch Plate


Bob Badger
Construction & Maintenance Electrician
Massachusetts
Re: Older "Touch Plate" brand relay system [Re: iwire] #174219
01/29/08 02:21 PM
01/29/08 02:21 PM
V
venture  Offline
Member
Joined: Jan 2006
Posts: 38
San Diego Ca USA
There can be many switches in each location, I have found the - wire broken on the swithch plate cause this kind of problem. Also a stuck relay can cause this. This is the most common problems I come across. Rod

Re: Older "Touch Plate" brand relay system [Re: venture] #174228
01/29/08 07:38 PM
01/29/08 07:38 PM
B
BigB  Offline
Member
Joined: Mar 2004
Posts: 721
Tucson, AZ USA
also a stuck switch will disable all the other relays on that power supply.

Re: Older "Touch Plate" brand relay system [Re: BigB] #174229
01/29/08 08:39 PM
01/29/08 08:39 PM
T
trollog  Offline
Member
Joined: Oct 2004
Posts: 276
San Diego California USA
the power units also go bad every 40 years or so and cause erratic operation of the relays. It can be a subtle thing sometimes. If all other fixes fail, check how much voltage the power unit is putting out. 28 volts or so if I remember correctly. Its been a few years since I touched one of these. Relay cabinet of every one I have ever seen was a rat's nest horror of wiring for some reason. Maybe guys don't want to stay up in those hot attics a moment longer than necessary...

Last edited by trollog; 01/29/08 08:42 PM.
Re: Older "Touch Plate" brand relay system [Re: trollog] #174275
01/30/08 10:32 PM
01/30/08 10:32 PM
A
Active 1  Offline
Member
Joined: Feb 2003
Posts: 687
Grayslake IL, USA
Dale electric supply sells parts for those.

Re: Older "Touch Plate" brand relay system [Re: Active 1] #174307
02/01/08 02:15 PM
02/01/08 02:15 PM
J
jdo1942  Offline
Junior Member
Joined: Nov 2005
Posts: 31
st. louis, mo. usa
Touch plate system is the the oldest low voltage switching there is. They are a 12 vac system and you can use a 12 v continuous duty relay and standard light switch to replace them. The original "lite touch" system was a two wire system as where newer lower low voltage systems were a three wire system with latching relays, GE RR7. I have repaired them with the 12 volt relays from Grainger---it works.

Joe Ogle


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