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Tools Required

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J 34142-B  12 V Unpowered Test Lamp

NOTE: Refer to TEST PROBE NOTICE in Cautions and Notices.

A test lamp can simply and quickly test a low impedance circuit for voltage.

The J 34142-B  is Micro-Pack compatible and comprised of a 12-volt light bulb with an attached pair of leads.

To properly operate this tool use the following procedure.

  1. Attach one lead to ground.
  2. Touch the other lead to various points along the circuit where voltage should be present.
  3. When the bulb illuminates, there is voltage at the point being tested.
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