NW-Bound
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- Joined
- Jul 3, 2008
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- 35,712
Think of a 1960s version of a home lighting control system like X10. There are panels in various places with a rotary switch and a single 'light switch'. Dial the circuit number and flip the switch, and the lights on that circuit change state. There are additional panels that look like sets of 3 light switches, where each switch changes the state of one lighting circuit via the same relays.
It's definitely not a standard. It's a strange old GE system.
Here's the high end version: Gretchen's 1961 GE low voltage lighting system - Retro Renovation
Wow! That's fairly fancy for a 50-year old system. As the push-button "commands" for on/off operation are momentary and require a latching relay, I look up on the Web, and find that this type of relay is still made and sold. Interesting!
GE RR7 - 20A SPST Low Voltage Relay Total Lighting Control :: Low Voltage Relays and Switches - Galesburg Electric Inc
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