test jack


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test jack

[′test ‚jak]
(electricity)
Appearance of a circuit or circuit element in jacks for testing purposes.
In recent practice, a jack multipled with the switchboard operating jack.
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References in periodicals archive ?
The panel is claimed to eliminate the need for separate Test Jack Frame (TJF) cabinets in installations that combine VoIP and signals over a single structured cabling system.
There are few shades of gray in either group of characters as they contend to test Jack's agent's idea that "nobody wanted to admit it, but everyone knew the devil was the more powerful of the two deities" (p.
Airdrie were determined to test Jack's mental strength after his gruelling journey and McLaren nearly caught him napping with a curving cross in 19 minutes that almost crept in at the back post.
* Switches and test jacks designed for IEEE front panels