SKU: 44365767133

Klein Tools RT110 Receptacle Tester for Standard 120V AC Outlets Detects Open Ground Neutral and Hot Wiring Faults with Visual LED Diagnostic Chart

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Description

Klein Tools RT110 Receptacle Tester for Standard 120V AC Outlets Detects Open Ground Neutral and Hot Wiring Faults with Visual LED Diagnostic ChartInstant Electrical Diagnostics: The Klein Tools RT110 Standard Receptacle Tester The Klein Tools RT110 is a vital diagnostic tool for homeowners, DIY enthusiasts, and professional inspectors who need to verify the safety of North American 120V electrical outlets. Engineered for simplicity and speed, this plug and play tester identifies the most frequent wiring hazards in standard 3 wire receptacles. By simply inserting the tool into an energized

Instant Electrical Diagnostics: The Klein Tools RT110 Standard Receptacle Tester

The Klein Tools RT110 is a vital diagnostic tool for homeowners, DIY enthusiasts, and professional inspectors who need to verify the safety of North American 120V electrical outlets. Engineered for simplicity and speed, this plug-and-play tester identifies the most frequent wiring hazards in standard 3-wire receptacles. By simply inserting the tool into an energized outlet, you receive immediate visual confirmation of the circuit's status. Whether you are moving into a new home, troubleshooting a dead outlet, or certifying a renovation project, the RT110 provides the peace of mind that comes from knowing your wiring is correct and safely grounded.

Durability meets precision in this compact electrical analyzer. The RT110 features an easy-to-read light sequence chart printed directly on the rugged orange housing, allowing you to instantly detect critical faults such as open grounds, open neutrals, open hots, and reversed polarity. Built to survive the rigors of a busy jobsite, it is drop-tested up to 6.6 feet and operates reliably in temperatures ranging from freezing to 140°F. While its primary mission is safety verification, its pocket-sized design makes it an effortless addition to any tool belt or kitchen junk drawer. Ensure your family and equipment are protected from faulty wiring with the professional accuracy of Klein Tools.

Key Features

  • Rapid Fault Detection: Instantly identifies correct wiring, open ground, open hot, open neutral, and reversed polarity.
  • Intuitive LED Display: High-visibility light sequence provides clear diagnostic results at a glance.
  • Industrial Durability: Ruggedized construction built to withstand a 6.6-foot (2m) drop.
  • Wide Operating Range: Performs accurately in temperatures from 32°F to 140°F (0°C to 40°C).
  • Safety Certified: Conforms to UL Std 1436 and is certified to CSA Std C22.2 #160 for trusted performance.
  • Compact Portability: Ergonomic, pocket-sized design for convenient storage and quick access on the move.

What's Included

  • (1) RT110 Standard Receptacle Tester
  • (1) User Reference Guide

Specifications

Tester Type Standard Receptacle Analyzer
Nominal Voltage 110/125V AC at 50/60Hz
Outlet Compatibility 3-Wire Grounded Outlets
Drop Protection 6.6 ft.
Operating Temperature 32°F to 140°F
GFCI Testing No
Certification UL Listed / CSA Certified
Housing Material Impact-Resistant Polymer
Overall Height 2.88 in.
Overall Width 1.88 in.
Overall Depth 1.62 in.
Weight 1.9 oz.
UPC 092644690266

Pro-Tip: Receptacle testers are excellent for identifying wiring mistakes, but they cannot detect the quality of your ground or the presence of multiple hot wires on a single circuit. If the RT110 indicates "Correct" but you are still experiencing electrical interference or flickering lights, consult a licensed electrician to perform a comprehensive load test and ground resistance check.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 44365767133

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mps
Alexandria, US
★★★★★ 5
Easy and good looking.
Color: Black, Size: 24" W x 7" D x 1.5" H (2 pieces)
Installation is pretty straight forward. Small level is included to make sure they are put up correctly. They look good up on the wall.
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Reviewed in the United States on December 3, 2025
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Thanh Nguyen
Bozeman, US
★★★★★ 1
Shelf wobbles and sits at an inclined angle after mounted.
Color: Oak, Size: 28" W x 7" D x 1.5" H (2 pieces)
While the shelf looks nice, it didn't work as it should. I anchored and screwed in the black metal bracket pretty well, and it stays perpendicular to the wall and doesn't wiggle or wobble one bit. But as soon as I slide in the wooden shelf, the whole shelf wiggles and settles at an inclined angle. Putting in the two screws down on the shelf did nothing to help with the wobbliness. I may have to glue down certain big decoration in fear of it sliding down the shelf, though that may be a bit overcautious and exaggerating.
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Reviewed in the United States on November 20, 2025
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Fatimah AL zerkan
Belleville, US
★★★★★ 5
Very good quality
Color: Black, Size: 24" W x 7" D x 1.5" H (2 pieces), Color: Black, Size: 24" W x 7" D x 1.5" H (2 pieces)
Very good quality
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Reviewed in the United States on February 4, 2026
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Sigrid Brandow
Massapequa, US
★★★★★ 5
Easy install.
Color: Black, Size: 32" W x 7" D x 1.5" H (2 pieces)
Easy install, and very pretty. Can't go wrong with this purchase.
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Reviewed in the United States on December 12, 2025
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Miah
Fort Morgan, US
★★★★★ 5
Solid Floating Shelves 🛠️🏠
Color: Black, Number Of Shelves: 4, Size: 15.7in
I have installed four sets of the black floating shelves in my office. They are made of high quality materials, featuring a sophisticated black woodgrain finish with a natural texture. Supposedly, each unit can handle up to 22 pounds, though I would not recommend testing that limit with your vintage bowling ball collection if you value your flooring. They are awesome. The value is good for a set of two. Each shelf measures 22x7x1 (56x17x3 cm) inches, providing a decent amount of storage for books or decor. The installation was straightforward since the hardware for multiple wall types was included. They work well in the kitchen for spices or in the bedroom for personal belongings. One tip for a secure fit: use a level during installation and make sure the bracket is flush against the wall before sliding the shelf on, or your photos might look like they are sliding off a mountain 📐 These shelves offer a clean, modern look and stay stable once mounted correctly. They are a practical choice for adding functional display space to any room 🖼️
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Reviewed in the United States on May 4, 2026

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