Here's what to look for when you're buying duplex receptacles and single-pole switches.
6 Reasons Electrical Outlets Aren't Working In One Room
Wiring - Fine Homebuilding
light switches - Fine Homebuilding
Laying Out the Job - Fine Homebuilding
2 Pack] BESTTEN Combination Wall Light Switch and Decor Outlet
WEN WA0392 120V 15-Amp Momentary Power Foot Pedal Switch for
Choosing Receptacles and Switches - Fine Homebuilding
Electrical Tools - Page 2 of 3 - Fine Homebuilding
Laying Out the Job - Fine Homebuilding