Chris/Ken
Chris, historically we have had to fit isolation transformers to endoscopy trolleys due to high leakage currents associated with Sony monitors. Would appreciate you highlighting the eventual solution to your problem.
Attached are a couple of references that may help illuminate this topic. Looks as if we will all require to gain more understanding in this area.
www.brandon-medical.com/nletter/issue4/safe_electrics.htm IEC INTERNATIONAL STANDARD 60364-7-710 First edition
Electrical installations of buildings – Part 7-710:
Requirements for special installations or locations – Medical locations
Reference number
CEI/IEC 60364-7-710:2002
Bill