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

(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

How to Install an Electrical Outlet Receptacle

45” Workstation Undermount Single Bowl 16 Gauge Stainless Steel Kitchen Sink with 2-Tier WorkFlow™ Ledge and Accessories in Stainless Steel 95BA131-45S-SS

How to Wire an Outlet and Add an Electrical Outlet (DIY)

Removed old fluorescent light. Two sets of hot, neutral and ground wires remain. How do I wire to a new light fixture that only has 1 set of hot, neutral and ground? : r/HomeImprovement

How to Install an Electrical Outlet Receptacle

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AC WORKS 4-Prong 220-Volt Plug to 120-Volt 15/ 20Amp Household Female Adapter Cord (4-Prong 14-50 Outlet to (4) Household W/Breaker)

electrical - What is the difference between a handle tie and common trip in circuit breakers? - Home Improvement Stack Exchange, tie breaker

Adding an outlet (wiring ?)

How To Wire A 2 Gang Outlet Box