Possible causes of alarming... Line isolation monitors.
Nielsen
Ray
R
Dakota County Technical College in Rosemount, MN, USA.
D001698:Biomedical Engineering / Q000295:instrumentation*; D017097:Electric Impedance; D011211:Electric Power Supplies; D004867:Equipment Design; D004868:Equipment Failure; D004869:Equipment Safety; D006801:Humans; D008284:Maintenance and Engineering, Hospital / Q000379:methods*