With a bonding meter
- the long lead is attached to the aircraft air frame and short lead to item
- the short lead to the aircraft airframe and long lead to the item
- it does not matter which lead goes where
Explanation from PART66Online
When using a bonding (milliohm) meter the long lead is clipped to a clean point on the aircraft structure and the short lead to the item under test. This keeps the short, low-resistance lead at the measurement point so lead resistance does not corrupt the very small bonding resistance being read. The arrangement does matter, so the leads are not interchangeable.
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Dusiata asked · 16 Dec 2016
Could you show which lead is longer on most common T477W bonding meter? I hope there won't be such questions on real exam...
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