This vocational branch (low or high-voltage current) provides three-year long studies finished by a vocational certificate. The specialized part of the curriculum is focused on technical documentation, designing and making electrical circuits as well as diagnostics and defects removals of electrical and electronic circuits. Students learn to use measuring devices. The essential part of the programme is preparation for a certificate based on the Order num. 50/1978 Sb. After the studies students can start working, or they have an opportunity to study a programme called Extended Business Studies to finish their school-leaving exam.