Electrician: The Electrician Courses teaches you to install/repair/rewire appliances in domestic cadre.
Electronic equipment installation: Mechanical, design and engineering skills required for installations and to provide installation cost estimates.
Maintenance: Technical and trouble shooting skills required for repairing and testing major appliances.
System Testing: Skills involved in inspecting and performing power audits of electrical installations.
Among the above, Maintenance skill is the most sought after in UK market with an average pay of £25,000.