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Surge Protective Devices: Know What You’re Specifying
Surge protective devices (SPDs) are critical components of any
commercial or industrial electrical system. SPDs guard equipment from
the over-voltages that can result from lighting strikes or equipment
operation. Without this protection, these short-term events can cause
long-term – and expensive – damage. Choosing the right SPD requires
knowing where the device will be applied, along with the appropriate
size to meet application needs.
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