Description
Condition - Very Good
The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.
Basic Electrical Formulae
A simple to use quick reference guide to basic electrical formulae, containing worked examples of how to find Reactance, Impedance, Resistance, Voltage, Reactance, Apparent & True Power, Horse Power and Current in ac/dc circuits, for both single and three phase wiring systems.
How the properties of triangles can be used when making calculations.
Also includes a brief guide to Power Factor, Volt Drop and sizing of cables.