Can the Wiser Plug be used on an extension lead? Follow Yes it can, so long as it can maintain a good connection to the Wiser HubR Related articles I bought a smart plug to use as an RF range extender for one of my radiator thermostats. Can I move this plug to another wall socket? (WH) Why do I see different numbers on my Trio In Home Display and in my Wiser App for Recent Consumption? Getting to know your Wiser Plug Wiser Plug Instructions How many devices can one Wiser Plug support as an RF signal range extender? Comments 0 comments Please sign in to leave a comment.