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Fluke has a new outlet tester, ST120+, and it’s priced at a reasonable $20.
The Fluke ST120+ tester is an electrical troubleshooting tool that can detect common receptacle wiring issues, such as when there’s an open ground, or the hot and neutral are reversed.
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It also has a GFCI test function.
As with other receptacle testers, the Fluke ST120+ has a 3 indicator lights, and a code legend printed on the front.
There’s one more feature – a toggleable audible alert that beeps when power is detected. Fluke says the tester will still beep when plugged into a miswired outlet. This should come in handy for identifying which circuit breaker shuts power to the outlet.
Note: This does NOT have non-contact voltage detection.
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Lowe’s started carrying the Fluke tester last year, but it only recently appeared at other retailers. Lowe’s website still shows an “exclusive” label above its price, which explains why we haven’t seen it anywhere else until now.
$20 seems reasonable for what you get, especially given Fluke’s excellent reputation. The ST120+ is larger than most other outlet and GFCI testers I have seen and used, but still compact.
Price: $20
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Shown here is an older Klein outlet tester, with the plug at one end and indicator lights at the other. This is a standard design and represents what most receptacle testers look like, although some will be missing the GFCI test button.
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The Fluke design, with the plug at the back and lights on the front face, is new to me, but I don’t see why it wouldn’t work just as well. It also has a gentle curve behind the lights, which could help with readability from above.
If you want to spend less, there’s also the ST120, which has all of the same features except for the beeping function. The ST120 is priced at $15.
If you want to spend even less, you can find a Gardner Bender outlet tester with GFCI trigger function for under $10 at Amazon.
