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OscarFoxtrot · 25th May 2020, 5:56 pm

A combination of ring circuits, and MCBs/RCDs in modern consumer units, blocks the signal.

Try fitting the devices to lighting circuits which are radials and might not be on RCDs.

25th May 2020, 5:56 pm	#16
OscarFoxtrot Heptode Join Date: Apr 2011 Location: Edinburgh, UK. Posts: 805	Re: Tandy/Realistic FM wireless intercoms A combination of ring circuits, and MCBs/RCDs in modern consumer units, blocks the signal. Try fitting the devices to lighting circuits which are radials and might not be on RCDs.