In order to bring some sensibility to “inspections,” I proposed a change in the NFPA 110 standard which was approved during the proposal process for the 2022 edition, and edited to read as follows:
If the
The Committee Statement: The language has been revised to clarify that the EPS is intended to be inspected weekly not the EPSS.
Author’s Note: The term EPS (Emergency Power Supply) will probably now be used by more AHJs instead of “generator”. I think the term EPSS (Emergency Power Supply System) will also gain some notoriety.
For further information see: https://www.mgiepss.com/blog/inspecting-automatic-transfer-switches/