Detailed A5 pages, containing every formula used in Electrical Installation Level 3, detailing what each formula letter means and it’s SI unit of measure.
From motor slip equations, to capacitance and inductance and right through to star and delta equations.
This is a useful, and powerful revision aid that you can read anytime. It has also been custom made to fit directly into your On Site Guide, so you can always have it with you whilst in class.





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