Category Archives: Power Distribution System

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Method Statement for Installation & Testing of Electrical Distribution Board

distribution board installation and testing method statement

This method statement will help the electrical engineers and supervisors for the installation of distribution board for an electrical project. Additionally site team will need detailed information of all aspects associated with the installation process in order to complete the job inline with the contract or project requirements, specifications and approved electrical drawings. Before the… Read More: Method Statement for Installation & Testing of Electrical Distribution Board »

3 way switch wiring and its operation

3 way switch is a lighting control procedure that is very much useful to turn “off” or turn “on” a lighting fixture from two different locations. Since there are 3 conductors connecting the switches in a 3 way light switch wiring we call this three way switch. Before understanding the principle or operation of a… Read More: 3 way switch wiring and its operation »

Basic Site Survey for Earthing System Design

Measurement of Soil Resistivity for earthing system design

The earthing system or earth electrode subsystem establishes the electrical connection between the building, structure or facility and earth. This connection is necessary for lightning protection, useful in power fault protection, and and in the minimization of noise. The earthing system should be tailored to reflect the characteristics of the site and the requirements of… Read More: Basic Site Survey for Earthing System Design »

Electricity Bill Calculator for Home and Office Energy Consumption kWh Formula

You can find electricity bill calculator if you keep reading this page. This is very interesting to know that which appliance in your home or office consumes most electricity? On this page you shall understand the ways and formula for an electricity consumption calculator which can help you calculate energy usage in your home. In… Read More: Electricity Bill Calculator for Home and Office Energy Consumption kWh… »

Vacuum Contactor vs Circuit Breaker Selection Considerations

To compare the application of medium-voltage circuit breakers and of fused contactors, we must understand the basic characteristics of each switching technology. The below table shows the major characteristics of medium-voltage circuit breakers and medium-voltage fused contactors that influence the application. Of course, the table entries are generalized, and the information varies by the voltage… Read More: Vacuum Contactor vs Circuit Breaker Selection Considerations »

Contactor Construction & Operating Principle

A contactor is an electrically controlled switch used for switching an electrical power circuit , similar to a relay except with higher current ratings. Contactor is in fact an electromechanical switch. Low-voltage Contactor is an electrically controlled switch used for switching an electrical power circuit, similar to a relay except with higher current ratings. A… Read More: Contactor Construction & Operating Principle »