Simple, brief guidance on the safe use of these power supplies in schools.

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This guide relates to circuit work carried out by students and teachers constructing electrical circuits that involve accessible uninsulated conductors and connectors

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Describes clearly, with photographs and diagrams, how to identify, set up and use an electron beam tube (Teltron tube). Includes how to safely use EHT power supply needed for such tubes to work.

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Useful addresses, chemical hazard and storage data and a list of acronyms used throughout the guide and elsewhere on the CLEAPSS website.

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