CITS Electrician (Theory) case studies
CITS Electrician (Theory) · Put your knowledge to work in context.
The CITS Electrician (Theory) examination is a knowledge-based assessment for electricians and electrical trainees who need to demonstrate that they understand the principles behind the work they perform in the field. It suits apprentices preparing for advancement, experienced tradespeople seeking formal recognition, and technicians moving into roles where documented electrical knowledge is expected. The theory paper tests the reasoning that sits underneath safe installation work rather than hands-on skill alone, so candidates should expect to explain why a rule exists, not just recall it. The content is organised into eight domains: electrical safety and codes, electrical theory and fundamentals, wiring methods and materials, installation and maintenance, electrical systems and equipment, testing and troubleshooting, regulations and standards, and professional practice and documentation. The CITS Electrician (Theory) case studies are 5 cases and about 2,794 words.
1Neutral-to-Ground Bond in a Detached Shop Panel
During commissioning of a detached maintenance shop, a 45 kVA, 600–208Y/120 V dry-type transformer feeds a 200 A panelboard 25 m away through a 4-wire feeder. The upstream 600 V service is solidly grounded.
512 words, about 3 min2Long 480 V Feeder Voltage Drop Before Adding a Second Compressor
A 480 V, 3-phase feeder supplies a remote compressor building. The feeder is 260 m of three 250 kcmil copper conductors and one 4 AWG copper bonding conductor in PVC conduit.
504 words, about 3 min3Washdown Room Raceway Extension in a Poultry Plant
A poultry-processing plant needs a 30 A, 208 V washdown pump circuit added in a room that is hosed daily with chlorinated water and cleaned with acid foaming detergent. The existing installation is 3/4 in.
579 words, about 3 min4Motor Tripping After Bearing Replacement
A 480 V, 3-phase, 30 kW, 4-pole TEFC motor drives a screw conveyor. The motor nameplate FLA is 48 A, service factor 1.15, ambient rating 40°C.
578 words, about 3 min5Tenant EV Charger Addition With Missing Arc Flash Label
A 1970s strip-mall tenant fit-out is adding two 60 A EV chargers and a 90 A subpanel. The existing service is 208Y/120 V, 400 A, with a 300 kVA utility transformer.
621 words, about 3 min