Suggest an edit09:15For Schools and Colleges: Engineering: Craft and Science: Unit 3: Electricity at work: 2: Excess currentBBC One Wed 17th Dec 1969, 09:15 on BBC One LondonIntroduced by D. R. C. Holmes(Colour)[Repeat]ContributorsPresenter:D. R. C. HolmesProducer:Nat Taylor Source: Radio Times Suggest an edit