What is an Electrical Wire Mesh?

Electrical wire mesh is a convenient, efficient and economical means of improving grounding systems at large industrial facilities of high

What is Contactor ?

To start up and shut down a three-phase AC induction motor, any three-pole switch with a suitable current rating will

Zener Diode Voltage Regulators

Zener Diodes can be used to produce a stabilised voltage output with low ripple under varying load current conditions. By

What is Cathode Ray oscilloscope ?

In studying the various electronic, electrical networks and systems, signals which are functions of time, are often encountered. Such signals

How to Test a Transistor ?

An individual transistor can be tested either in-circuit or out-of-circuit with a transistor tester. For example, let’s say that an amplifier