I-1
Appendix I 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.
I.1 Power Cord Plug
I.1.1 The Power Plug
Test Item Acceptance Criteria
The power plug
The power plug pins No broken or bent pin. No discolored pins.
The plug body 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.
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