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Square D HEPD80 Universal Whole House Surge Protection Device, 1-Phase, 3-Wire for 120/240V, 80kA : Amazon.com.au: Electronics
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SPD) 3 Phase SPD Connection Diagram/surge protection device connection /surge protection device - YouTube
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HOM250PSPD - Surge protection device, Homeline, whole home, 50kA, 120/240 VAC, 1 phase, 3 wire, SPD type 2 | Schneider Electric USA
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