Residential Wiring

Planning and installing services, branch circuits, devices and protection in dwellings.

ELEC-130 12 lessons · 6 h 7 min

Offered by HSM University · Electrician

This is the American version of this course. See the Canadian version.

What you'll learn

Calculate the minimum service and feeder size for a one-family dwelling using the NEC Article 220 standard and optional methods
Read residential electrical plans, lay out outlets room by room, group them into circuits and prepare a panel schedule that plans for future loads
Select and lay out service entrance equipment, grounding electrodes and panelboards, and balance loads across a 120/240 V panel
Install non-metallic cable, boxes and devices with correct support, protection, box fill and terminations, through rough-in and finish
Plan branch circuits, receptacle and lighting outlets, switching and dedicated circuits for each room, and check voltage drop
Size and connect circuits for ranges, dryers, water heaters, dishwashers, pumps and other major appliances, including at 208 V
Explain how GFCI and AFCI devices work, where the code requires them, and how to troubleshoot nuisance tripping
Wire electric heating, gas furnaces, heat pumps, air conditioners, heated floors and ventilation using nameplate MCA and MOCP data
Prepare for inspections and carry out continuity, insulation resistance, polarity and protective-device tests safely
Install EV chargers, energy management, solar PV, batteries and generators with correct interconnection and transfer equipment
Assess older homes, remediate legacy wiring, extend circuits to current requirements and plan service upgrades
Install smoke and CO alarms, communications and smart-home wiring, and carry out a complete house wiring project

12 lessons · 6 h 7 min total · final exam

Recommended background. You can start any course at any time.

Planning and installing services, branch circuits, devices and protection in dwellings.