Best Electrical Supplies UK (2026) — Page 5
Sockets, cabling and testers for UK home electrical work.
Read our full Best Circuit Tester UK guide.
#25 Pick
QUILLE Socket Tester Mains Outlet Tester with LCD Display, Neutral Live Earth Wire Testing, RCD Test - UK PlugRated 4.3 out of 5 stars (780)
£9.55
Pros
- LCD display gives a clear readout rather than just LED codes
- RCD test button checks trip protection in seconds
- Simple plug-in check for wiring faults before using an outlet
Cons
- Cannot diagnose the exact cause of a detected fault
Currently unavailable
Pros
- Quick plug-in check for wiring faults on standard UK sockets
- Compact size stores easily in a tool bag
- Affordable way to check outlets after DIY electrical work
Cons
- Basic LED indicators rather than a full digital display
#27 Pick
MK (ELECTRIC) Logic Plus Double Socket (K2745WHI) with Dual USB Charging Ports Type A and C, 2-Gang 13A, WhiteRated 4.6 out of 5 stars (512)
Currently unavailable
Pros
- Built-in USB-A and USB-C ports charge devices without using a plug socket
- Child-resistant shutter system on both outlets for household safety
- From a trusted UK electrical accessories brand
Cons
- Deeper back box needed to fit the USB circuitry
#28 Pick
MK Electric Rapid Fix Screwless Termination Double Socket, White Moulded, 2G 13 Amp K2747STWHIRated 4.6 out of 5 stars (730)
£9.13
Pros
- Screwless, click-fit rear termination cuts fitting time by up to 45%
- Colour-coded terminals make wiring straightforward for DIYers
- Standard 2-gang 13A moulded socket fits any UK back box
Cons
- Requires a compatible socket back box for the click-fit terminals
#29 Pick
Martindale VT12PD240 Voltage Tester and Proving Unit Basic Kit, GS38 Compliant, 12-690V AC/DCRated 4.7 out of 5 stars (168)
£130.00
Pros
- GS38 compliant two-pole tester meets UK safe-isolation requirements
- Proving unit included to confirm the tester works before and after use
- Covers 12-690V AC/DC range
Cons
- More than casual DIYers typically need
Currently unavailable
Pros
- Pocket-sized non-contact tester for quick live checks
- Detects AC voltages from 200V to 1000V
- Simple one-button operation
Cons
- Non-contact only — no substitute for a proving-unit-verified tester