Earthing System Concept Components and Types

All the people living or working in residential, commercial and industrial installations, particularly the operators and personnel who are in close operation and contact with electrical systems and machineries, should essentially be protected against possible electrification. To achieve this protection, earthing system of an installation is defined, designed and installed according to the standard requirements.… Read More »

Circuit Breaker Types by Interrupting Medium Class

On this page you can find information about the circuit breaker types or classification by the interrupting medium used i.e. oil, air, vacuum or gas etc. Oil Circuit Breakers Oil has an excellent dielectric strength which enables itself not only to be used as an interrupting medium but also as insulation within the live parts.… Read More »

Electrical Circuit Breaker Working Principal Operation & Types

What is Circuit Breaker? Electrical circuit breaker is a switching device which can be operated manually or automatically for controlling and protection of electrical power system respectively, it is a mechanical switching device, capable of making, carrying and breaking currents under normal circuit conditions. Circuit breaker is also capable of making and carrying for a… Read More »

Horizontal Directional Drilling Method for Underground Trenchless Cabling Installation

Horizontal Directional Drilling is a guided horizontal boring system capable of installing utilities such as steel pipes and underground cables. Its primary application is in developed areas where surface disruption is a serious consideration, not only because of cost but also because of smooth traffic flow, customer satisfaction and environmental friendly. The horizontal drilling technology… Read More »

Electric Lamp Light Bulb Types

In this article we shall learn about the light bulb types which are commonly used in the world. The electric lamps commonly used are incandescent lamps that were invented by Thomas Alva Edison and Joseph Swan in nineteenth century. Humphrey Davy created the first light using an arc lamp. The arc lamp took too much… Read More »

PVC Electrical Conduit Installation Method for Surface Slab and Walls

This document defines the methods to be used to ensure that the electrical works to be conducted at a project site are in compliance with the approved designs and approved materials. The method of statement covers the procedure for Material Delivery Inspection, Installation and Inspection of PVC conduit embedded in wall, false ceiling or slab.… Read More »