SPDs in a Commercial Facility

NEMA Surge Protection Institute

What We Mean by a "Commercial" Facility

Commercial facilities include, but are not limited to, the following:

  • Government buildings
  • Hospitals
  • Offices
  • Retail
  • Schools

How to Use this Website

This website is organized into three types of facilities where surge protective devices (SPDs) are used:

  • Residential
  • Industrial
  • Commercial

The links to the left to learn more about electrical surges, the damage they cause, and how to prevent it.  

The site is set up to provide an easy-to-read progression through each section, and "next" buttons at the bottom of each page guide you through, or jump ahead to an area of interest.

More Questions?

If you find you have more questions about the information in this section, try the following:

  • Toggle definitions
    At the top of every page, you may select the type of facility your question pertains to.  In general, the industrial and commercial pages contain more technical details than the residential.
  • FAQs
    Find answers to frequently asked questions in the FAQs section.
  • E-mail the webmaster
    If you can't find what you're looking for, drop us a note and we'll respond within 48 hours.

Want a more technical description? Toggle to the industrial or commercial definition using the top menu bar.

NEXT: What is a Surge? >>

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