B-2 Electrical Safety Inspection 
B.2  Device Enclosure and Accessories 
B.2.1 Visual Inspection  
Test Item  Acceptance Criteria 
The enclosure and 
accessories 
No physical damage to the enclosure and accessories. 
No physical damage to meters, switches, connectors, etc. 
No residue of fluid spillage (e.g., water, coffee, chemicals, etc.).
No loose or missing parts (e.g., knobs, dials, terminals, etc.). 
B.2.2 Contextual Inspection  
Test Item  Acceptance Criteria 
The enclosure and 
accessories 
No unusual noises (e.g., a rattle inside the case).   
No unusual smells (e.g., burning or smoky smells, 
particularly from ventilation holes). 
No taped notes that may suggest device deficiencies or 
operator concerns. 
B.3 Device Labeling 
Check the labels provided by the manufacturer or the healthcare facility are present and 
legible.  
  Main unit label 
  Integrated warning labels 
B.4 Protective Earth Resistance  
  Plug the probes of the analyzer into the device’s protective earth terminal and protective 
earth terminal of the AC power cord.   
  Test the earth resistance with a current of 25 A. 
  Verify the resistance is less than limits. 
 
LIMITS 
ALL COUNTRIES R = 0.2 Ω Maximum   
 
B.5 Earth Leakage Test 
Run an Earth Leakage test on the device being tested before performing any other leakage 
tests. 
 
The following outlet conditions apply when performing the Earth Leakage test: