The Cordless Digital Phasing Tester allows linemen to test for phase sequence and angles, voltage ranges between 4 kV and 69 kV and operates at a range of up to 100 ft.

In the original version of this article, the second figure contained an error. The image has been updated. It’s important for engineers to have a good, working ...

Phase Four won a U.S. Air Force AFWERX contract in 2021 to test iodine propellant in its electric thrusters. Credit: Phase Four SAN FRANCISCO – Phase Four won a Defense Advanced Research Projects ...

Hi-Line Utility Supply Co. has enabled linemen to remove one more obstacle to their safe return after working on high-voltage lines in the field: the cord currently strung between most phase testers ...