- Test electrical circuits, relays, bulbs, and switches
- Attach the ground clip to any good electrical ground and touch the probe to the hot end. If the bulb lights up, the circuit is good
- Bulb will take a nominal overload for safety
- Uses standard replacement bulb
- Hi-impact, no shock, plastic case
- Replacement Bulb: H1090C
- Weight: 1.00 LBS
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- Weight: 1.00 LBS
