HOW TO CONTROL A CEILING LAMP FROM 2 LOCATIONS?

LESSON NO. 8

UNIT:-    WIRING METHODS.

AIM:-      How to control a ceiling lamp from 2 locations?

PERFORMANCE OBJECTIVES:-   S.W.B.A.T  (Student will be able to)

1. Define a 3 way switch.
2. Identify the terminals on a 3way switch. 
3. Connect a lamp to be controlled from 2 locations using EMT raceway.

DEFINITIONS:-  3 WAY SWITCH :-    This is a controlling device, Which it is used for controlling loads from 2 two or more locations. It may be used for alternating the flow of power for two (2) loads as well.

 Layout Plane: