VA Electrician case studies
VA Electrician · Put your knowledge to work in context.
Electricians in Virginia are regulated by the Department of Professional and Occupational Regulation (DPOR), which lists "Electricians (Tradesmen)" among the professions it oversees and maintains a Tradesmen Program board alongside its other boards and programs. The journeyman-level tradesman credential is intended for electricians who have satisfied the Board's requirements and want formal recognition as qualified to perform electrical work in the Commonwealth. The VA Electrician case studies are 5 cases and about 3,082 words.
1Detached Garage Feeder: Neutral, Ground, and Electrodes
A crew is running a new 100-ampere feeder from the 200-ampere service panel of a house to a detached, unheated garage 60 ft away. The garage will supply a table saw, a 240-volt welder receptacle, and general-use lighting.
681 words, about 3 min212 AWG in a Hot Mechanical Room: Ambient, Fill, and Derating
A 20-ampere branch circuit supplies sales-floor lighting in a warehouse. From the panel, the circuit runs 200 ft through a mechanical room where the ceiling ambient is measured at 113°F, then continues in the same 3/4-inch EMT to the sales floor.
609 words, about 3 min37.5 HP Conveyor: Breaker, Overload, and Nuisance Tripping
A conveyor at a food plant is driven by a 7.5 HP, 208 V, 3-phase Design B motor. Nameplate data: 22.0 A, 1.15 service factor, 40°C ambient, 75°C terminations.
589 words, about 3 min4Dental Operatory Receptacle: Redundant Grounding in a Patient Care Area
During a dental office renovation, a new 20 A, 125 V duplex receptacle is installed 5 ft from the treatment-room sink for a chair-side device. The treatment room is used for patient care.
555 words, about 3 min5Side Work, a Permit, and an Unlicensed Helper
A Virginia journeyman electrician who works full time for a licensed electrical contractor takes a side job: replacing an obsolete 200 A residential service and adding a 60 A feeder to a detached shop, for $9,500. He holds a valid journeyman license but has no business license and no electrical contractor license, and there is no written contract.
648 words, about 3 min