Installing outlet in electrical box with two sets of wires? - Home

(apologies for possibly very newbie question) I found this setup in an electrical box in my downstairs closet underneath my stairs. It has two sets of wires that seems to be connected serially. My

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Old outlet has 2 black wires and 2 white. Is it safe to connect two white and two black under one screw with the new outlet? Thank you! : r/electrical

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