EPO Systems

Emergency Power Off Systems Explained

Understanding the requirements for automatic or manual shutdown of utilities in a mission-critical facility

For those who design, manage, or operate critical facilities, one topic that causes significant anxiety and concern is the shutdown of power and mechanical systems through an automatic or manual emergency power off (EPO). In its traditional sense, the EPO originates from the National Electrical Code (NEC) and requires the familiar shutdown buttons near the entrances to an information technology (IT) equipment room. However, the NEC is not the only requirement for emergency shutdown of power

Register to view the full article

Register on EC&M and gain access to premium content, including this article and much more.

Hide comments


  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.