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.

 

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