Category Archives: Electric Current

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Insulator Definition and Insulation Materials Properties

Insulator Definition: Electric insulators are substances through which electric current cannot pass easily like glass, mica, dry air and Bakelite etc. Similarly materials which resist the transfer of heat are called thermal insulators like wood, glass wool, rubber etc. The materials which have very high resistivity i.e. offers a very high resistance to the flow… Read More: Insulator Definition and Insulation Materials Properties »

Electrical Wiring Installation and Electricity Distribution System

Electrical wiring is process of systematic laying of wires for the smooth flowing of electricity current at different places like houses, buildings and hotels with utmost safety and precautions. Electricity wiring generally refers to insulated conductors used to carry current from main panel to and associated devices and equipment. If we divide the wiring in… Read More: Electrical Wiring Installation and Electricity Distribution System »

Electrical Cables Trunking Types & Uses

What is Electrical Trunking? Trunking is an enclosure provided for the protection of cables which is normally square or rectangular in cross-section, having one removable side. Cables trunking may be thought of as simply a larger and more accessible conduit system. The electrical trunking is available in two ranges, ordinary wiring trunking and busbar trunking.… Read More: Electrical Cables Trunking Types & Uses »

Biot Savart Law – Magnetostatics – Magnetic Flux

What is Biot-Savart Law? Biot and Savart conducted many experiments on the force exerted by an electric current on a nearby magnet and at last they derived a mathematical expression that gives the magnetic field at some point in space due to a current passing through a conductor. biot savart law statement The biot savart… Read More: Biot Savart Law – Magnetostatics – Magnetic Flux »

Electrical Isolation Switches or Isolators

Purpose of isolators is to ensure that an electrical circuit is completely de-energized in order to conduct the service or maintenance. Isolators are also familiar as isolation switches for isolating the electrical circuits, such switches are often found in electrical power distribution and industrial appliances and other applications, where it is critical that machinery must… Read More: Electrical Isolation Switches or Isolators »

Testing and Commissioning Requirements for Switchgear

Before starting the switchgear testing an approved testing & commissioning engineer should be appointed in order to thoroughly review all the applicable drawings and specification, and to become totally familiar with all systems and the design intent. Experience certificate of testing and commissioning engineer to be submitted for client approval and test and commissioning should be… Read More: Testing and Commissioning Requirements for Switchgear »