The National Institute for Automotive Service Excellence will host a webinar on Tuesday, March 3, spotlighting voltage drop ...

Voltage-drop testing is one of the most useful and effective electrical checks a technician can perform. Owners and managers should understand this technique and encourage it. My field experience has ...

Q: The left taillight on my pickup is somewhat dimmer than the one on the right side. It’s not bad enough to go through the trouble and expense of having fixed it. But it bugs me. Any chance you have ...

For an efficient design, the conductor ampacity tables in Chapter 3 of the National Electrical Code (NEC) provide a starting point. But did the installation stay efficient over time? One way to ...

Ametek's EM Test offers the VDS 200Q Series, a four-quadrant voltage drop simulator that can source and sink current using a programmed voltage in both positive and negative polarities. The amplifier ...

Electrical snafus are among the most annoying problems with older cars. Unlike tires or bodywork, there's something about electrical systems that seems to baffle many car crafters. We could blame it ...

The NEC provides a recommendation on voltage drop for branch circuits in Informational Note No. 4 following 210.19(A). A similar recommendation for feeders exists in Informational Note No. 2 following ...

Poor power supply quality—in the form of dips, dropouts, and other voltage variations—can result in electrical malfunctions that can have serious consequences. To verify that automotive systems will ...

Probing to test voltage in electrical connectors on farm equipment can be a challenge. Here are some tricks: A straightened paper clip fits the sockets on many electrical connectors. It’s easier to ...