⚡ Plug in confidence, avoid costly wiring fails!
The Martindale CP501 is a robust LED socket tester designed for 13A outlets, capable of identifying 28 distinct wiring faults via three bright LEDs. Its flame-retardant ABS casing ensures durability, while its low earth leakage keeps RCDs from unnecessary trips. Perfect for professionals seeking quick, reliable socket verification.
R**N
Plug indicator
Simple to use, arrived in two days.
D**R
Five Stars
Brilliant a tried and tested product would definatly recomend to others
K**R
Five Stars
Great piece of kit abd really useful.
Trustpilot
1 day ago
2 months ago
