They don't have to be on the same circuit but you won't get anything like the rated speed if the signal has to go across the fusebox - 5-10mbps area.
An openreach engineer told me the newer powerline adaptors don't have any problems with going through the curcuit breaker because they use the earth wire instead of the live.They don't have to be on the same circuit but you won't get anything like the rated speed if the signal has to go across the fusebox - 5-10mbps area.
An openreach engineer told me the newer powerline adaptors don't have any problems with going through the curcuit breaker because they use the earth wire instead of the live.