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Electrical Technology:     Electrical Wiring 6 Tips for electrical wiring Electrical wiring is a potentially dangerous task if done improperly. One should never attempt working on electrical wiring without knowing the below tips & tricks followed by even the most experienced electrician. 1. Power Tests Always check & test wires and devices for power inside the box you are working in to prevent electric shock before working on them. Sometimes, even if you shut off power, some wiring may be connected to another circuit & hence may still pose a threat of electric shock. www.highcpmgate.com/fk9441tu?key=1496595b5c4a28b56e9442d0a697ce05 2. Uncoil Cable The best way to easily instal cables is to straighten them out first. Pull the cable from the centre of the coil & lift a handful of coils. Next step is to toss them across the floor as if you’re throwing a coiled rope. Once untangled, it helps in easier handling & neater storage. 3. Amperage Rating Amperage ...

Electrical Technology:                Single Phase AC.                    Circuits Library AC Circuit The circuit that is excited using alternating source is called an  AC Circuit.  The alternating current (AC) is used for domestic and industrial purposes. In an AC circuit, the value of the magnitude and the direction of current and voltages is not constant, it changes at a regular interval of time. travels as a sinusoidal wave completing one cycle as half positive and half negative cycle and is a function of time (t) or angle (θ=wt). In DC Circuit, the opposition to the flow of current is the only resistance of the circuit whereas the opposition to the flow of current in the AC circuit is because of resistance (R), Inductive Reactance (X L =2πfL) and capacitive reactance (X C  = 1/2 πfC) of the circuit. In AC Circuit, the current and voltages are represented by  magnitude and d...

Electrical Technology:  Three Phase AC Circuits Library

Electrical Technology :     Basic Electrical & Electronics Interview Questions...   35 Electrical Engineering Interview Questions and Answers Electrical engineers are people who design and create electrical systems and machines to make human life easier. If you are going for a job interview as an electrical engineer, it’s important to get ready for some electrical interview questions and answers that an interviewer might ask you. Here we have provided 35 important electrical engineering interview questions and answers. It will increase your knowledge of the subject and help you prepare for an upcoming electrical engineering interview. List of Electrical Interview Questions 1: Define the term  electrical engineering ? 2: Define the principle of motors? 3: What is an electric shock? 4: How can one protect themselves from an electric shock? 5: What will resistances connected to a source of voltage in series do? 6: Define Ohm’s law? 7: What happens when t...

Electrical Technology: How to calculate the value of resistor for LED’s