KLEIN TOOLS RT210 Outlet Tester
Receptacle Tester for GFCI / Standard North American AC Electrical Outlets, Detects Common Wiring Problems
Price as of 2026-06-16. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Budget-conscious shoppers — priced below 76% of testers
- •Those who want a top-rated option — in the top 2% of testers by rating
- •Risk-averse buyers — 8,902+ reviews give a highly reliable picture
- •KLEIN TOOLS loyalists — the brand spans 66 products in our database
- •ONLINE LED STORE True Mods 4-Way Flat Trailer Wiring Tester — 50% cheaper at $7 (Score A)
📊 Based on data analysis of 185 products in this category.
Mubboo Score: A
How It Compares
This Product KLEIN TOOLS RT210 Outlet Tester | Most Popular AstroAI Digital Multimeter Tester 2000 Counts | Best Rated KLEIN TOOLS RT250 GFCI Outlet Tester | Best Value ONLINE LED STORE True Mods 4-Way Flat Trailer Wiring Tester | |
|---|---|---|---|---|
| Price | $13.98 | $14.59 | $24.97 | $6.99 |
| Rating | 4.8/5 | 4.5/5 | 4.8/5 | 4.6/5 |
| Reviews | 8,902 | 54,848 | 11,490 | 2,605 |
| Mubboo Score | A | A+ | A- | A |
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Check included test leads and consider upgrading them for budget meters; for circuit breaker finders, allow time to learn the scanning process and always do a second pass over the panel.
- Good value for money
- Easy to use
- Accurate / reliable readings
- Useful features like backlight or audible alert
- Compact and portable design
- Quality control issues with test leads or defective units
- Requires patience or learning curve for accurate results
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About KLEIN TOOLS
- 66 products in our database
- Average rating: 4.7/5 across all products
- Price range: $9.97 – $699.98
- Categories: carpentry-squares, Coolers, Flashlights, Hand Tool Sets, Headlamps, Knee Braces
Other testers
Bottom Line
KLEIN TOOLS RT210 Outlet Tester earns Mubboo Score A. Priced at $14 — a budget-friendly option, below the category average of $55. Rated 4.8/5 from 8,902+ reviews. Strong buy if: budget-conscious shoppers, those who want a top-rated option.
Frequently Asked Questions
Is the KLEIN TOOLS RT210 Outlet Tester worth buying in 2026?
It earns a Mubboo Score of A, with a 4.8/5 rating from 8,902 reviews — better than 98% of testers we track.
How much does the KLEIN TOOLS RT210 Outlet Tester cost?
It is currently $13.98 — budget-tier pricing for testers.
How does the RT210 Outlet Tester compare to other testers?
The category's most-reviewed alternative is the AstroAI Digital Multimeter Tester 2000 Counts (4.5/5, 54,848 reviews, $14.59). The RT210 Outlet Tester carries a Mubboo Score of A vs A+.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-16) and may change.