We asked a tool brand and an electrician for their best tips on ensuring you do not drill into hidden wires in your walls, ...

A time domain reflectometer (TDR) measures reflections along a cable. It is similar in principle to radar. To measure those ...

The concept of ‘Test Before Touch’ is well-established and often taught to engineers. However, it’s usually focused on ...

TransCanada Corp., which says Keystone XL will be the safest pipeline ever built, isn’t planning to use infrared sensors or fiber-optic cables to detect spills along the system’s 2,000-mile ...

Figure 1 depicts a circuit that detects the opening of a miniature circuit breaker or high-rupture-capability fuse in a high-reliability telecommunications power supply. The circuit generates an alarm ...