Emergency Power Off (EPO) switches, also referred to as “Generator Remote Shutdown Switches,” are a hot topic of conversation. In the past two years (2018-2019), MGI has received multiple comments regarding proper placement and testing of the EPOs. Most recent discussions revolve around exercising/testing an EPO while the generator is under load. Note: An EPO’s […]
Emergency Power Blog
Proposed Changes to NFPA 110, 8.4.1
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: 8.4.1* EPSSs EPSs including all appurtenant components, shall be inspected weekly, and the EPSS shall be and exercised under load at […]