Electrical Safety Inspection A-1
Appendix A Electrical Safety
Inspection
The following electrical safety tests are recommended as part of a comprehensive preventive
maintenance program. They are a proven means of detecting abnormalities that, if undetected, could
prove dangerous to either the patient or the operator. Additional tests may be required according to
local regulations.
All tests can be performed using commercially available safety analyzer test equipment. These
procedures assume the use of a 601PROXL International Safety Analyzer or equivalent safety analyzer.
Other popular testers complying with IEC 60601-1 used in Europe such as Fluke, Metron, or Gerb may
require modifications to the procedure. Follow the instructions of the analyzer manufacturer.
The electrical safety inspection should be periodically performed every two years. The safety analyzer
also proves to be an excellent troubleshooting tool to detect abnormalities of line voltage and grounding,
as well as total current loads.
A.1 Power Cord Plug
A.1.1 The Power Plug
The power plug
The power plug pins No broken or bent pin. No discoloured pins.
No physical damage to the plug body.
The strain relief
No physical damage to the strain relief. No
plug warmth for device in use.
The power plug No loose connections.
The power cord
No physical damage to the cord. No
deterioration to the cord.
For devices with detachable power cords,
inspect the connection at the device.
For devices with non-detachable power
cords, inspect the strain relief at the device.
A.2 Device Enclosure and Accessories
A.2.1 Visual Inspection
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.).
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