HI Electrician case studies
HI Electrician · Put your knowledge to work in context.
The Hawaii Electrician License Examination is the licensing assessment administered in connection with the Hawaii Department of Commerce and Consumer Affairs (DCCA) Professional and Vocational Licensing Division, with oversight by the Board of Electricians and Plumbers. It is intended for electricians seeking licensure to perform electrical work in Hawaii and for those advancing from one license category to another. The HI Electrician case studies are 5 cases and about 3,678 words.
1Long 240 V Feeder to a Detached Workshop: Ampacity vs. Voltage Drop, and the EGC Consequence
A 240 V single-phase feeder is being installed from a 200 A residential service to a detached workshop on a rural lot. The calculated load is 80 A, and the owner wants a 100 A feeder breaker so the shop can be expanded later.
748 words, about 4 min2Adding a 48 A EV Charger to a 125 A Service Using the Existing-Demand Method
A homeowner in a 1970s single-family home with a 125 A, 120/240 V overhead service wants a 48 A Level 2 EV charger installed in the carport. The panel is a 125 A main-breaker panel with 24 spaces, serving a 40 A range, a 30 A dryer, a 4,500 W water heater, and a 3-ton split system air conditioner.
744 words, about 4 min3Lanai Receptacles in a Salt-Spray Location: Wet-Location Rules and Box Fill
An electrician is adding two receptacles to a covered second-floor lanai on a home about 200 ft from the ocean on Oahu's windward side. The lanai has a roof but no screens, and the receptacles will be mounted on the exterior wall about 36 in above the deck, fully exposed to wind-driven rain.
758 words, about 4 min425 hp Irrigation Pump: Which Current Do You Use, and Where
A 25 hp, 480 V, 3-phase centrifugal irrigation pump is being installed at a farm in upcountry Maui. The motor nameplate reads 32 A at 460 V, service factor 1.15, 75°C rise, code letter F.
684 words, about 3 min5Who May Supervise, Contract, and Cover: A Honolulu Service Change
A journey worker electrician employed by an electrical contractor is the only licensed electrical person on a job replacing the service and main panel on a 12-unit apartment building in Honolulu. The general contractor, who holds a Hawaii contractor's license but not an electrical specialty, tells the journey worker to leave the two helpers - one a first-year apprentice, the other with no license at all - to finish the panel feeders and close the walls while he spends three days on a job on the Big Island.
744 words, about 4 min