title: A mains earth leakage tester for use by non-engineering staff.
mesh_terms: D000056:Accident Prevention; D004553:Electric Conductivity; D004562:Electrocardiography / Q000295:instrumentation; D004582:Electronics, Medical / Q000295:instrumentation*; D006801:Humans; D008991:Monitoring, Physiologic / Q000295:instrumentation*; D012449:Safety