American Power Conversion MW manual Specifications Low-Impedance/High-Impedance Grounding

Specifications: Low-Impedance/High-Impedance Grounding

For high-impedance grounding, the installation must include ground-fault detection circuitry.

Note

From an external grounding resistor, and through a separate conduit, connect a cable to the output circuit grounding bar.

28 Symmetra MW 1000 kW 480 V Installation - 990-4112E