| 摘要 |
The hand held circuit tester includes a hollow handle. A probe extends from one end of the handle. First and second leads extend from the other. An LED carrying circuit board is situated within the handle. One end of the circuit board is connected to the probe by a spring. The other end is connected to the leads. A "U" shaped collar is received within slots in the circuit board in a position perpendicular to the plane of the circuit board. The collar edge abuts the edge of one of the handle parts to stabilize the circuit board relative to the handle.
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