ABSTRACT
The design and construction of the House Bell with indicating light system was creative embarked on for the production of a better alarm signals. Meanwhile different measures and steps such as using electric bell, electric bulb, light emitting diode, 1 mm2 their cable, B Amps plug, lamp holder was used to achieve the objective. All the measures that were taken to ensure the functionality of this project were discussed in detail.
Finally, conclusion and recommendation that will enable further quest and improvement in this project were carefully and creatively discussed.
TABLE OF CONTENTS
Title Page
Approval Page
Acknowledgement
Dedication
Abstract
CHAPTER ONE
INTRODUCTION
CHAPTER TWO
LITERATURE REVIEW
Preamble
Essential Parts or Features of an Electric Ball
The Main Call Line
The sub – Call Line
CHAPTER THREE
MATERIALS AND METHODOLOGY
Introduction
Materials
The Wooden Board
Switches
Lamp Holder
Cable
Electric Bell
Filament Lamp
Plug
Joint Box
Wooden Block
Nails
Screw Nail
Clip
Methodology
Mode of Connection and Construction
CHAPTER FOUR
PRINCIPLE OF OPERATION
Schematic Diagram of an Electric Bell with Light Indictor
Mode of Operation
CHAPTER FIVE
RESULT ANALYSIS AND DISCUSSION
The Input Stage
The Power Supply Stage
Use and Economic Importance
Use of the Call System in Hotel Building
CHAPTER SIX
CONCLUSION AND RECOMMENDATION
Problem Encountered
Conclusion
Recommendation
