Lostock Electrical Projects Company Ltd. Useful information.

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Cert ID: Q/50404

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	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.


	Bankfield street, Deane, Bolton, Lancs, BL3 5NP Tel +44 (0)1204 656811, Fax +44 (0)1204 61797