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🔌 Buzz your way to safer sockets—because seeing isn’t always believing!
The Martindale BZ101 Buzz-It is a compact, battery-powered 240V socket tester featuring an audible buzzer that detects 28 fault conditions. Designed for ease of use in hard-to-access locations, it doubles as a basic fuse finder and is trusted by professionals for reliable, quick electrical safety checks.
| Brand | Martindale |
| Colour | Blue |
| Item dimensions L x W x H | 6.5 x 6.5 x 4.7 centimetres |
| Item weight | 0.06 Kilograms |
| Power source | Battery Powered |
| Style | Simple |
W**.
Good item.
Good item. Easy to use. Nice that it buzzes helps if you can’t see it when isolating the power at your fuse box. Great for the price.
G**.
Good piece of kit!
Brilliant piece of kit, peace of mind knowing the cct is sound! Thank you!
M**N
Good bit of kit
Well made and works well. the buzzer is loud enough to be useful. Good bit of kit.
B**N
Works as expected
The tester worked as expected. Easy to use and understand. Always useful to check out new sockets and have used it on a new extension lead. Good price.
S**E
Good product
Does what hubby needed when checking sockets. Good quality
G**T
Great
Great , does the job and good price
D**E
Great piece of equipment
Great piece of equipment — easy to use and understand.
P**K
Very Easy
Simple to use. Went round home, and found sockets with reverse polarity. Now corrected. Good for basic DIYer. Buzzer helps identify when circuit switched on/off at fuse box quicker.
Trustpilot
2 weeks ago
3 days ago