Inrush current effect is common in electric motors. Sometimes, in case of ill-designed electrical wiring systems, switching on the motor may activate the fuse. It is caused by the inrush current – ...

Extech Instruments announces its MA640 600A True RMS AC/DC Clamp Meters + NCV that has a higher accuracy rating then standard RMS meters. To use a clamp meter, only one conductor is normally passed ...

A clamp meter is a device with a metal ring, which can be clamped around two coils. The first one (the primary circuit) is the wire in which the current flows. The second one (the secondary circuit) ...

The main advantage a good clamp meter gives you is being able to measure current without shutting off the power. You don’t have to strip back insulation either. This makes them very popular with ...