The Basics of Control Relays

Introduction

In this paper we are going to analyse the article The Basics of Control Relays written by David Bredhold, Eaton Corp.

Thesis statement

A relay is an electrical switch that uses an electromagnet to move the switch from the off to on position instead of a person moving the switch. It takes a relatively small amount of power to turn on a relay but the relay can control something that draws much more power. Ex: A relay is used to control the air conditioner in your home. The AC unit probably runs off of 220VAC at ...