The course is principally concerned with the higher-level science applicable to the electrical sector and the inspection and testing/fault finding abilities required for the working electrician.

It is at this point that students will usually complete an NVQ and AM2 qualifications. The units involved in the C&G 2365 Level 3 Diploma covers AC theory both single and three phase power. Various laboratory experiments. Motor types and their application. Application of the BS 7671 wiring regulations.