Hi
The 16v ac and 12v dc (uncontrolled) sockets on the original HM controllers (not Hornby HM 4000 etc units) are 3mm Banana sockets.
My local model shop has supplies of these plugs in Red, Black, Yellow and Green covers.
Worth a call to enquire on their cost and P & P etc?
http://www.modelshopuk.com/
Good luck
Brian
The 16v ac and 12v dc (uncontrolled) sockets on the original HM controllers (not Hornby HM 4000 etc units) are 3mm Banana sockets.
My local model shop has supplies of these plugs in Red, Black, Yellow and Green covers.
Worth a call to enquire on their cost and P & P etc?
http://www.modelshopuk.com/
Good luck

Brian