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Types of Surge Protection Devices

We have them ALL!

No matter what type of Surge Protection Devices (SPDs) that you need, we have them, from Meter Base Arrestors to plug-in protectors.

Surge Protection Devices are UL listed to include three different types that can be installed in different areas.

Type 1
  • Installed between secondary of the service transformer and the main
  • Intended to be installed without external overcurrent protective device
Type 2
  • Installed on the load side of the service equipment
  • Includes SPDs located at branch panel, requires external overcurrent protection
Type 3
  • Point of utilization SPDs
  • Examples are direct plug-in receptacle protectors