Power lead testing system and electronic tag
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 斯蒂芬・艾伦・莫顿
- Publication Date
- 2012-11-28
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The present invention relates to devices for testing compliance with safety standards of power cords and power tools, and to electronic tags for use with the testing devices. Background technique
[0002] Electrical safety standards require regular testing and certification of tool power cords and extension cords. At present, the above-mentioned testing and certification is a manual process as follows: the plug of the wire is tested with a testing instrument, and if the specified insulation test and continuity test are met, the wire is marked with a printed label marked with the testing date.
[0003] This manual process is time consuming and does not prevent the tool or lead from being used beyond the time required for the next inspection. A solution to the latter problem can be found in document GB 2450466 which discloses an electrical plug fitted with a countdown timer. When the plug is inserted into a live electrical outlet, a countdown timer sta...