Best Electrical Supplies UK (2026) — Page 6
Sockets, cabling and testers for UK home electrical work.
Read our full Best Circuit Tester UK guide.
#31 Pick
Martindale VT12PD240 Voltage Tester and Proving Unit Basic Kit, GS38 Compliant, 12-690V AC/DCRated 4.7 out of 5 stars (168)
£44.99
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
£9.99
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
#33 Pick
Martindale VT28 Two Pole Voltage and Continuity Tester with LCD Display, YellowRated 4.6 out of 5 stars (203)
£34.99
Pros
- LCD and LED displays give a clear voltage readout
- Compact, tough body for site or van use
- Continuity testing alongside AC/DC voltage checks
Cons
- No proving unit included in this bundle