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For the first time ever, I ran the "4-tap test" on my system last night.  The LED on nearly every device in the house went off.  The only ones that didn't go off were a few that were physically the farthest away.  Okay, so what does this tell me about which phase a device is on?  They were ALL responding and I know they weren't all on the same phase.

Posted
For the first time ever, I ran the "4-tap test" on my system last night.  The LED on nearly every device in the house went off.  The only ones that didn't go off were a few that were physically the farthest away.  Okay, so what does this tell me about which phase a device is on?  They were ALL responding and I know they weren't all on the same phase.

The 4 tap beacon test will simply offer you three possibilities from no response, same leg, and opposite leg (bridged).

You’ll need to review the full users manual for the specific model as some model years and iterations offered different states to affirm the three possible states.
Posted
Thanks @Teken
Yesterday a found many similar comments on the web about looking at the manual.  I must be blind, but I don't find that info.  Here is the manual for the dimmer switch that is linked in the Smarthome.com webpage.
https://cache-m2.smarthome.com/manuals/2477d-en-03-26-2015.pdf

Generally speaking for devices with dual LED the expected behaviour is this:

Other Device: Blinking Green Different Leg
Other Device: Blinking Red Same Leg
Other Device: No blinking RF out of range

Anything that doesn’t incorporate dual LED like single band and first generation of dual band. Think the KPL Relay you had to watch for the four squares to blink etc. Keep in mind the 4 Tap Beacon (Phase Bridging / Coupling) must be performed both ways.

You’ll be shocked to see varying results vs the other path.
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