IEEE standards download IEEE std C37.20.6-2015 pdf download – IEEE Standard for 4.76 kV to 38 kV Rated Ground and Test Devices Used in Enclosures IEEE std C37.20.6-2015 pdf download - IEEE Standard for 4.76 kV to 38 kV Rated Ground and Test Devices Used in Enclosures. 3. Definitions For the purposes of this document, the following terms and definitions apply. The... 02-26 Download Now