AL Electrician case studies
AL Electrician · Put your knowledge to work in context.
The Alabama Electrician Licensing Exam is the credentialing pathway administered through the Alabama Electrical Contractors Board for individuals who want to work as licensed electricians or electrical contractors in the state. It is intended for journeyman-level tradespeople moving toward qualification, for contractors seeking a business license, and for anyone whose work on electrical systems must be performed under a state-issued authorization. The AL Electrician case studies are 5 cases and about 4,336 words.
1Adding a 48 A EVSE to a Dwelling With a Fully Loaded 100 A Service
A 2,000 sq ft single-family dwelling has a 100 A, 120/240 V single-phase service with a 24-space panel and six open spaces. Existing loads: 12 kW electric range, 5,500 W dryer, 4,500 W water heater, 1,200 VA dishwasher, 900 VA disposal.
839 words, about 4 min2Separately Derived System Bonded at Both Ends in a Detached Shop
A 45 kVA dry-type transformer in a detached shop steps 480 V delta down to 208Y/120 V. Primary: 54 A calculated, protected by a 70 A breaker, fed with #6 Cu THHN.
915 words, about 5 min3Rooftop Raceway: Ambient Correction, Derating, Voltage Drop, and Fill in One Decision
A 208Y/120 V, 3-phase, 4-wire circuit supplies a 24 A continuous load on a rooftop mechanical platform. It leaves a panel 185 ft away and runs in 3/4 in EMT across the roof, where the measured ambient inside the raceway area is 118 F (48 C).
811 words, about 4 min415 HP Motor Branch Circuit and the MCC Feeder That Serves It
A 15 HP, 208 V, 3-phase, Design B motor drives a conveyor. Nameplate: 44 A, service factor 1.15, temperature rise 40 C.
805 words, about 4 min5Fit-Out Bid, Unpriced Change Order, and the Alabama License Question
You are bidding a 4,200 sq ft commercial tenant fit-out with a 90-day schedule. Your estimate: 320 journeyman hours at a burdened cost of 46.00/hr, materials at 21,400 cost, a 850 permit fee you pass through at cost, and a 3,600 fire alarm sub quote.
966 words, about 5 min