When working around mains voltages, it can be useful to know whether a given circuit is live or not. While this can be done by direct connection with a multimeter, non-contact methods are available ...

Drilling into a concealed cable is always a nasty shock – and it’s seriously dangerous if the wire is live. Electrocution can result when a live cable is damaged and makes contact with the drill, ...

[Dino] is back with another installment of his Hack a Week series, and in this episode he is taking on what he promises will be the last transistor-based project – at least for a little while. In the ...

HD Electric Co. has launched its FireFly Fuse Tool Voltage Detector. The detector combines a fuse tool, voltage detector and flashlight in one single product, saving time and adding an extra level of ...

HD Electric Company, a Textron Inc. company, has launched its FireFly Fuse Tool Voltage Detector. The FireFly Fuse Tool Voltage Detector combines a fuse tool, voltage detector and flashlight in one ...

Ricoh has launched a Window Voltage Detector which monitors over-and-under output voltages from the power supply IC for a microprocessor and a sensor, and detects abnormal voltage of systems. The ...

A previously published Design Idea describes a practical gadget that has the potential to save a lot with little investment (Reference 1). However, the circuit uses 120V line voltage and, as such, it ...