ME Electrician case studies
ME Electrician · Put your knowledge to work in context.
The Electricians' Examining Board, part of Maine's Office of Professional and Occupational Regulation, regulates electricians to protect the public from hazards arising from the use of electricity. The Board examines candidates for competency and issues licenses for the titles of Master electrician, Journeyman electrician, Limited electrician, Apprentice electrician, Journeyman-in-training electrician and Helper electrician, investigates complaints, and issues permits. The ME Electrician case studies are 5 cases and about 3,044 words.
1200 A Service Replacement With a Detached Garage Feeder
You are replacing the 100 A overhead service on a 1965 ranch with a 200 A meter-main and 40-space panel. The service-entrance conductors are 2/0 copper.
714 words, about 4 min2Restaurant Kitchen GFCI and Panel Capacity
A 1,800 sq ft restaurant is served by a 208Y/120 V, 3-phase, 4-wire service. The kitchen contains a 50 A, 3-phase range; a 30 A, 208 V storage water heater; a 20 A, 120 V dishwasher receptacle under the counter; a 20 A, 120 V receptacle on the roof within 6 ft of a condensing unit; and a 20 A, 120 V receptacle 20 ft from the building for a pressure washer.
597 words, about 3 min3Unlicensed Handyman, Homeowner Permit, and Workshop Subpanel
A homeowner in Bangor signs a $4,800 contract with a handyman who holds no Maine electrician license to install a 60 A subpanel in a detached workshop. The handyman's helper is registered as an apprentice but is not working under a licensed master electrician on this job.
575 words, about 3 min440 hp Motor Branch Circuit, Overload, and Short-Circuit Protection
A 40 hp, 480 V, 3-phase, 1,750 rpm TEFC motor drives a conveyor in a paper mill. The nameplate reads 50 A, 1.15 service factor, 40°C ambient, 75°C rise, code letter G.
594 words, about 3 min5Panel Replacement in an Older Ungrounded Dwelling
A 1958 single-family house has a 100 A fuse panel, two-wire ungrounded NM cable, and a 30 A, 240 V dryer receptacle. The owner hires a licensed electrician to replace the panel with a 200 A panel and install AFCI/GFCI breakers.
564 words, about 3 min