Preventive maintenance primarily consists of face value “snap-shot” assessments of motor health taken at planned and fixed intervals, and then making judgments on machinery condition usually based ...

Purpose: Maintain, troubleshoot, and improve drilling-package and facility electrical systems to ensure safe power generation, reliable hoisting/rotating equipment, and compliance in hazardous areas.

Branch circuits are undoubtedly the most commonly installed circuits in both residential and non-residential applications. And, since they supply the equipment that utilizes the electricity, they are ...

In Episode 27 of “EC&M Tech Talk,” Randy Barnett, a journeyman electrician, inspector, author, trainer, and electrical safety expert, reviews the purpose and methods used for measuring the quality of ...

Ask the publishers to restore access to 500,000+ books. A line drawing of the Internet Archive headquarters building façade. An illustration of a heart shape "Donate to the archive" An illustration of ...

Description: This multifunction megohmmeter is capable of producing 125V, 250V, 500V, and 1,000V test voltages for insulation resistance measurements up to 4000MΩ. It also tests AC/DC voltages up to 1 ...

For decades, utility plant personnel have performed insulation resistance tests with handheld megohmmeters to prevent motor failures that lead to costly unplanned shutdowns, penalties and re-winding ...

Greenlee’s test and measurement offerings have been expanded to include the 5882A 1 kV Megohmmeter and 5990 A 5 kV Megohmmeter. The new measurement-sensitive megohmmeters have a large LCD bright ...