Cert ID: Q/50404


Welcome to the engineering reference section

This page serves as the entrance to the LEP engineering reference page. From here you can view and download information on topics that we consider to be of general use for electrical engineers.

Resistor colour code chart

Power factor correction

Copper wire loading chart

Three phase motor rating

Unit conversions

Paper sizes

Reading four and five band resistor codes.

An explanation of the power factor and why it needs to be corrected.

Bunched and free air current rating for copper cable of various thicknesses.

Load current of three phase motors at various voltages for given power rating.

Some conversion formulae for common imperial conversions.

Standard paper sizes with their imperial and metric measurements.

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