I presume it won’t trip the main RCD,when plugged in and used?….correct?

Just to warn folk: Malcolm Guest said on 14 July 2021 "If the socket is not wired correctly the RCD would have already tripped". This is not correct. Lots of incorrect wirings won't trip an RCD, such as missing E, reversed LN, or any incorrect wiring (eg NE reversed) but using less than 30mA (eg with a USB charger). RCDs are to help protect user, and do NOT confirm correct wiring. PS don't forget to check your RCDs regularly by pressing their test button!

would this tell me if I had an earth leakage

Really good for checking faulty sockets, it tells you if wiring is not connected or wires reversed/wrongly connected. Plug it into the socket instant check, I found an earth in a socket that had come loose. Ideal for checking after any work is done on electrics. However it will not spot earth leakage for that you need a device like the Kewtech KEW2434, if you have an earth leakage problem it's probably cheaper to pay an electrician, ( with test gear) to sort it out.

Can I test uk shavers socket with this?

As far as I know the shavers have got a different plug than normal 3pin plug and the shavers also hAve got a different output as 110 or 230 v AC so I don't think that socket tester can plug into that and for sure it can not test 110

how long wil last the batery?

Hi, This is socket powered tester - this is no battery as it receives power from the mains. Regards, Laura

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Kewtech KEWCHECK103 Mains Wiring Socket Tester

Product ID: 51612060

Details

Brand
Kewtech
Colour
Grey
Item weight
1.41 Ounces
Power source
Corded
Style
Functional

💡Dual LED + audible tone feedback

🔌Tests 14 wiring conditions

🛠️Compact & durable design

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7787 som

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Description

🔍 Don’t guess—know your sockets are safe in seconds!

COMPACT POWERHOUSE - Lightweight and pocket-friendly, built tough to accompany you on every job or home check.
TRUSTED UK QUALITY - Kewtech’s precision engineering means reliable, professional-grade testing you can count on.
14 FAULT INDICATORS - Comprehensive detection of all common UK socket wiring faults for total peace of mind.
DUAL SENSORY ALERTS - Visual LEDs paired with continuous or warbling tones ensure you never miss a wiring issue.
INSTANT WIRING CLARITY - Plug in and get clear LED + sound diagnostics in seconds—no panel removal needed.

The Kewtech KEWCHECK103 is a compact, UK-specific mains socket tester that instantly verifies correct wiring by detecting 14 possible faults. Featuring bright LED indicators and audible tones, it provides quick, reliable diagnostics without removing socket panels. Trusted by professionals and DIYers alike, it’s a must-have tool for ensuring electrical safety at home or on the job.

Specifications

ASIN	B004HU2MI2
Best Sellers Rank	4,962 in DIY & Tools ( See Top 100 in DIY & Tools ) 3 in Circuit Testers
Brand	Kewtech
Colour	Grey
Country Of Origin	China
Customer Reviews	4.6 4.6 out of 5 stars (2,366)
Global Trade Identification Number	05060084080515
Included Components	1 x KEWCHECK103
Item Dimensions	6.2 x 6.2 x 5.8 centimetres
Item Type Name	socket tester
Item Weight	1.41 Ounces
Manufacturer	Kewtech
Manufacturer Part Number	KEWCHECK103
Measurement Type	Socket Tester
Minimum Operating Voltage	230 Volts (AC)
Model Number	KEWCHECK103
Power Source	Corded Electric
Product Warranty	1 Year
Style Name	Functional
Unit Count	1 Test Equipment

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7787 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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