Category Archives: Power Distribution System

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Cables & Wires Handling Storage and Pulling Method Statement Procedure

To protect cables from physical damage and the environment, store indoors and protect from moisture, construction equipment, falling objects, chemical spills, moving vehicles, and other hazards. When the cables are received inspect the protective covering on the cable for evidence of shipment damage. Leave the factory-applied protective cover in place until removal is absolutely necessary.… Read More: Cables & Wires Handling Storage and Pulling Method Statement Procedure »

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 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 »

Common US Wire Gauges – AWG Gauges Vs Current Ratings

American-Wire-Guage-AWG-Wire-Sizes calculator

The AWG – American Wire Gauge – is used as a standard method denoting wire diameter, measuring the diameter of the conductor (the bare wire) with the insulation removed. AWG is sometimes also known as Brown and Sharpe (B&S) Wire Gauge. The AWG table below is for a single, solid, round conductor. Because of the… Read More: Common US Wire Gauges – AWG Gauges Vs Current Ratings »

Circuit Breaker Operating Mechanism MCB Usage & Principle

What is MCB? MCB or Miniature Circuit Breakers is a mechanical switching device which is capable of making, carrying and breaking currents under normal circuit conditions and also making, carrying for a specified time and automatically breaking currents under specified abnormal circuit conditions such as those of short circuit. So we can say that MCB… Read More: Circuit Breaker Operating Mechanism MCB Usage & Principle »