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Safety is the number one priority on any job site. Sperry Instrument's testing equipment can be put to good use ensuring that electrical equipment is properly installed and safe to operate. The condition of electrical installations can be established when contractors use test equipment. Any test unit that can be used to measure or review an application without coming in contact with a live conductor is a necessity. Testing equipment can be put to good use ensuring that electrical equipment is properly installed and safe to operate. Faulty installations can be lethal; the condition of electrical installations can be established when contractors use test equipment. Sperry Instrument is pleased to offer an innovative full feature line of test equipment designed to make electrical work faster and safer. The Ground Fault Receptacle Tester and Circuit Analyzer tests ground fault receptacles by overloading circuit and tripping the GFCI.
From the Manufacturer
Tests ground fault receptacles by overloading circuit and tripping GFCI.
Ninos
2025-09-03 18:03:11
I love it. Best devices ever. Works very well. Super helpfull
Connor
2025-08-10 14:56:08
Works great! Have yet to be shocked - literally and figuratively - by this thing not working. Great value for the cost. Easy to see lights and works instantly.
Adrenaline
2025-08-02 11:10:02
This Gardner Bender Circuit Analyzer - Outlet & GFCI Tester is super easy to use. I just plug it into the outlet and the LEDs let me know if there are any of the 5 most common wiring errors or if it is wired correctly. It also tests my GFCI outlets by plugging it into the outlet and pushing the button labeled "Press for GFCI test". This activates the GFCI and then I have to push the outlet reset button. It already helped me find a surge protector that had an open ground. I am happy with this purchase.
Timeout
2025-08-01 10:36:35
The analyzer does work, but the display of codes is extremely hard to read because it uses red for dangerous condition, white for no-light, and a faint yellow for indicators. The faint yellow is hard to distinguish from the white. I had to return to the ad in Amazon and enlarge the picture to finally read the code (Looking from the side with the GFCI button): WYW=Open ground; WWY=Open neutral; WWW=Open hot; ROY=Hot/Ground reversed; RYW=Hot/Neutral reversed; WYY=correct).
AB
2025-06-25 18:04:12
Easy to read with the proper brightness, functioned properly, arrived on time.
Alduroobi Real Estate
2025-05-27 16:56:57
Very good product and worth the money I paid for it
Michael Brown
2025-04-14 14:43:20
Easy to use , right price
JM
2025-02-28 16:34:43
Must have for any homeowner. Reliable and priced right.
Hartless
2025-02-20 14:09:33
I saw my contractor using one of these so picked one up. I honestly wasn't sure if I'd ever use it, since I'm not handy and I don't touch electrical work on my own. But there have been a few times already that having this has told me whether the issue is the outlet or the item, and they also saved me a great deal of hassle by helping me figure out that an electrical issue at my trailer was as simple as a tripped GCFI. Definitely great to have on hand if you're not handy.
Deb V
2025-02-19 13:10:21
This handy little gadget is a must have and saved me many trips back and forth to the breaker box. I've replaced many electrical outlets changing to the deco style and used it before and after installing to ensure I did every one correctly, which I did. But because they are small they are easily lost in my garage so that's why I needed to buy this one..they all work the same and do what you need them to do. Don't do electrical without one‼ï¸
rappar
2025-01-27 12:38:56
Helps trouble shoot some electrical problems.
Kat
2024-12-27 16:28:00
This device is easy to use and is a must for anyone getting into grounding and live in an older home…it lets you know if your ground outlet is working and therefore your grounding mats and sheets will work for you. It does other things I believe, but this is all I needed it for. Inexpensive too!
Furious Styles
2024-11-21 19:46:41
The outlet tester works well and seems to be of decent quality. I'm also very happy with the price and delivery speed.
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