http://www.lampspares.co.uk/in-line-black-foot-switch-for-standard-lamps?gclid=EAIaIQobChMIsOGCg7nj1gIV1zLTCh0BTwOREAQYASABEgJERPD_BwE
https://www.amazon.co.uk/s/?ie=UTF8&keywords=foot+switch+lamp&tag=googhydr-21&index=aps&hvadid=196748383870&hvpos=1t1&hvnetw=g&hvrand=5427561151260923744&hvpone=&hvptwo=&hvqmt=e&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=1006661&hvtargid=kwd-302787887464&ref=pd_sl_906cbgzcdn_e_p28
Then get someone COMPETENT to change it.
edsfeds
October 2017