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Should individual Surge Protection devices be installed in Multiple Panels

Issue:
Wants to know if they need to install a SPD in each panel

Product Line:
Surge protective devices


Environment:
Residential

Cause:
Application

Resolution:

Applying the surge protector to just the main entrance service panel will protect the home from electrical spikes and surges entering the home electrical system from up stream sources (sources such as utility power grid electrical spikes and surges) but if the home has multiple electrical panels fed from that main service entrance panel, there is the possibility that the connected loads on the other panels (loads such as motors that turn on and off) could create spikes and surges that would affect equipment connected to any of the other electrical panels in that home. For that reason it is recommended to apply a surge protection device at all home electrical panels.

Schneider Electric USA

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