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Turning switch and lamp the right way, every electrician have to know how to interpret an electric scheme; be it, multifilar, unifilar and representative in plan. For better understanding it is also important to familiarize yourself with the electrical symbols The single-phase transformer, as well as any other type of transformers are very important in an electrical installation, because it is irreplaceable when it comes to current adaptations, voltages and powers of a system electric. To better understand a transformer, let's talk a little bit about it. The single-phase transformer is an electromagnetic equipment The RDT RAGEMG; is proud to be able to share with you some of this very important content; which are the electrical conductive elements. Conductors that are usually used in an electrical installation; are of copper or aluminum; in. HOW TO TEST POLARIZATION OF THREE-PHASE ELECTRIC MOTOR WINDINGS. How to test the polarization of windings of electric motors. To do this kind of polarization tests on the windings, we will need a multimeter with alternating voltage scale. How to test! Let's create the necessary procedures for the tests of We are always lost when we make a connection of motors and suddenly the numbering is gone; the question is: How to start this engine without the numbering? For this is very simple; we will explain step by step how to make the right measurements to find the numbering of Let's introduce some defects that occurs in most electric motors, these defects are valid for cage induction motors. We know that cage induction electric motors are increasingly present in industries all over the world. How to connect an automatic level float to a single phase motor. There are two different types to do the electrical installation of an automatic level float switch on a single phase motor. To be easier to understand, we will sort from the following