Is the HOM2175SB UL Listed as a Transient Voltage Surge Suppressor or as a Secondary Surge Arrestor?

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The current design of HOM2175SB is UL Listed as a Transient Voltage Surge Suppressor, per UL 1449. It is also UL Listed as a Secondary Surge Arrestor, per ANSI/IEEE C62.11. It is marked for the Secondary Surge Arrestor application only.

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