Here’s what more than 2,500 business decision-makers around the world say.Download the report
...with the Facility Hero app in hand! Discover how you can optimize your maintenance efforts today.Learn more
Access tailored services, 24/7 self-service and expert help. Anywhere, anytime, any project.Discover now
Don’t miss the latest events, videos, or articles. It’s all in our news bulletin.Sign up now
Schneider Electric Global Website×
Explore our global offerings or select your country from one of our five regions.Global
Découvrez nos offres globales ou sélectionnez votre pays dans l’une de nos cinq régions.
For both the PM8 and PM2/PM7 meters control power is referenced only from the +/-.
For both the PM8 and PM2/PM7 meters the ground is not required for safety. Both PRODUCTS meet the clearance and creepage requirements set out in the standards for isolation and safety.
For the PM8 the ground is required for EMC or Emissions. The PM8 has much more circuitry and features than the PM2 and PM7. For this reason it is more susceptible to radiated emissions and interference. The ground on the PM8 helps to reduce the effect that noise from these sources have on the meter.
Key Words and Phrases: earth terminal, ground terminal, missing, how come, extra, what is the reason, explanation