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Residential Electrical Wiring: Key Safety Considerations

Jun 13, 2024

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by

John Mulindi

in Electrical Installation

Residential Electrical Wiring Overview A residential electric power service typically consists of a three wire ac system supplied by the local power utility company. A distribution transformer with a primary and two secondaries formed with a center tap on the secondary side is shown below: The distribution transformer is located on the utility pole, from…
NEMA & IP Ratings for Enclosures

May 22, 2021

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by

John Mulindi

in Mechatronics, Industrial Control & Instrumentation

Enclosures are designed to isolate apparatus from certain conditions. In addition they are used to protect personnel from unsafe, accidental contact with the apparatus. An enclosure protection rating is a standardized way of identifying the ability of an enclosure to isolate an apparatus from the outside environment. The purpose of the rating system is to…