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Every Level 2 formula, Earthing Arrangement diagrams and IP codes£5.00Add to cart
A detailed document containing every formula used in Electrical Installation Level 2, detailing what each formula letter means and it’s SI unit of measure.
This is a useful, and powerful…
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Every Level 3 formula£5.00Add to cart
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…
