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⚡ Plug in confidence, test with clarity!
The Martindale CP501 is a compact, battery-free socket tester designed for quick and reliable verification of 240V UK sockets. Featuring three bright LEDs that indicate 28 common wiring faults, its robust ABS housing with a sculpted grip ensures easy handling. Trusted by over 2 million users, it’s the go-to tool for electricians and homeowners seeking fast, fail-safe socket safety checks.
| ASIN | B003OHDFSA |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 19,129 in DIY & Tools ( See Top 100 in DIY & Tools ) 17 in Circuit Testers |
| Colour | Blue |
| Customer Reviews | 4.7 4.7 out of 5 stars (702) |
| Date First Available | 29 May 2010 |
| Included components | 1 x Martindale Socket Tester |
| Item Package Quantity | 1 |
| Item Weight | 60 g |
| Item model number | CP501 |
| Manufacturer | Martindale Electric Co Ltd |
| Material | Abs |
| Measurement Accuracy | 50kohm |
| Measurement System | Metric |
| Number of Pieces | 1 |
| Part number | CP501 |
| Pattern | Three LEDs with fault codes |
| Power source type | Electric |
| Product Dimensions | 6.5 x 6.5 x 4.7 cm; 60 g |
| Style | Classic |
P**R
Classic, works as you'd expect
Does what it should, reliable & robust.
A**E
Easy to Use
Arrived quickly. The device works perfectly, no issues. I didn't even have to read the instructions...but I did anyway. Cheers.
C**E
Does all you need it to.
Perfect for work as an electrician. Always bemuses me though the price for the sake of a buzzer compared to those without. Only reason it’s not 5 stars.
M**N
Good product. Recommend.
Bought a few of these now.
S**.
Handy tool
Handy to have in your tool box.
B**N
A Classic Tester which works very well
Martindale testers have been around for decades, are simple to use and reliable. I quickly found out some of my sockets had live and neutral reversed - so much for professional installers!!
T**Y
Brilliant plug
This is a great item. The previous one from a different company didn’t work
B**3
Recommend
Great value, packaged well. Does the job.
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