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NSI Polaris Vision Tap Clear 500 MCM-4 AWG Polaris Insulated Multi-Tap Connector 3-Port Single Sided Entry-3 Per Pack Priced Per Each (IPL500-3C) Tier10 Leviton Duplex Receptacle Outlet Heavy-DutyNSI Polaris Vision Tap Clear 500 MCM 4 AWG Polaris Insulated Multi Tap Connector 3 Port Single Sided Entry 3 Per Pack Priced Per Each (IPL500 3C)