WI Electrician case studies
WI Electrician · Put your knowledge to work in context.
Wisconsin issues electrician credentials through the Department of Safety and Professional Services (DSPS). The A-Z Professions List on the DSPS site names a family of related credentials: Electrician, Registered; Electrical Apprentice, Industrial; Electrical Apprentice, Residential; Journeyman Electrician; Journeyman Electrician, Industrial; Journeyman Electrician, Residential; Master Electrician; Master Electrician, Registered; and Master Electrician, Residential. The WI Electrician case studies are 5 cases and about 2,638 words.
1Sizing a Subpanel Feeder for a Detached Garage Workshop
A homeowner in a Wisconsin one-family dwelling wants a 100 A subpanel in a detached garage 60 ft from the house. The garage has a 3 hp, 240 V single-phase table saw (nameplate 17 A), a 5 kW, 240 V electric unit heater, four 20 A general-use receptacle circuits, and two 8 ft fluorescent lighting circuits at 400 W each.
607 words, about 3 min2Motor Branch Circuit and Overload Protection for a Conveyor
An industrial plant is installing a 25 hp, 460 V, 3-phase, 60 Hz conveyor motor with a nameplate full-load current of 32 A and a service factor of 1.15. The motor is across-the-line started and is protected by a magnetic-only circuit breaker at the motor control center, with a separate thermal overload relay in the starter.
501 words, about 3 min3Kitchen Small-Appliance and Laundry Circuit Loading in a Dwelling
A 2,400 sq ft single-family dwelling is being wired. The plan shows a 200 A, 120/240 V single-phase service, a 12 kW electric range, a 5.5 kW electric dryer, a 4.5 kW water heater, a 3 ton central air conditioner (nameplate 24 A at 240 V), a 1/2 hp furnace blower, and a 1,500 VA microwave.
566 words, about 3 min4Grounding and Bonding a Service with a Metal Water Pipe and Ground Rod
A 400 A, 120/240 V single-phase service is being installed at a small commercial building. The service has 500 kcmil copper service-entrance conductors.
483 words, about 2 min5Applying SPS 316 and the NEC to a Remodel Permit
An electrician is remodeling a kitchen in a Wisconsin one-family dwelling built in 1975. The work includes replacing countertop receptacles, adding a dishwasher circuit, and extending a circuit into a new island.
481 words, about 2 min