gh-ctvet-cert-ii-electrical case studies
gh-ctvet-cert-ii-electrical · Put your knowledge to work in context.
The Ghana CTVET Certificate II in Electrical Engineering is a competency-based TVET qualification for people starting or formalising a career as an electrical artisan. It sits at the foundation level of the TVET ladder and is typically pursued through a technical institute or an approved apprenticeship pathway, with assessment against occupational standards rather than a purely academic syllabus. It suits school leavers entering the trade, helper electricians who want their skills recognised, and workers in maintenance or construction who need a credential for domestic and light-commercial work. The exam blends a written theory paper, multiple-choice items and a practical assessment, so preparation must cover both recall and hands-on competence. The gh-ctvet-cert-ii-electrical case studies are 5 cases and about 3,252 words.
1Grinder, Extension Lead and a Wet Floor
At a food-processing plant, a three-person team is installing 20 mm PVC conduit along a wash-down wall. The apprentice cuts 41 × 41 mm unistrut with a 230 V, 230 mm angle grinder.
724 words, about 4 min2Voltage Drop on a Workshop Radial
A 230 V single-phase radial circuit supplies a small workshop. The cable is 2.5 mm² copper twin-and-earth, 50 m from the consumer unit to the furthest socket, run partly in conduit and partly clipped direct.
629 words, about 3 min3Cooker Circuit Through Insulated Wall
A kitchen refurbishment adds a 7.2 kW induction hob and a 3.6 kW built-in oven, both 230 V. The existing cooker circuit is 6 mm² copper twin-and-earth protected by a 32 A Type B MCB.
609 words, about 3 min4Nuisance RCD Tripping at a Guesthouse
A six-room guesthouse has a 30 mA RCD protecting six final circuits. The RCD trips at random, usually 20–40 minutes after the outdoor lighting and borehole pump start, and more often during rain.
658 words, about 3 min5Borehole Motor Tripping on Overload
A 15 kW, 400 V, 50 Hz, three-phase squirrel-cage motor drives a borehole pump through a star–delta starter. The nameplate full-load current is 28.5 A.
632 words, about 3 min