CCTV- Close Circuit Television Camera
Description, Types and Working Principle.

  1. CCTV camera.
  2. Connection diagram of CCTV camera.
  3. Working principle
  4. Types of CCTV cameras.

1 - CCTV camera:

CCTV camera is a security digital device which is used for stopping crime and security purpose as commercial or residential building, house, market, industries, road transport etc. It has 3 nos main uses. It is used for live video and also recorded the video.

  • Theft stopping.
  • Crowd control
  • Unauthorized entry
  • Road transport for rule.
CCTV Camera:Types and working procedure.

2 - Connection Diagram of CCTV camera:

CCTV Camera: connection and wiring diagram and working procedure.

3 - Parts of CCTV camera system:

CCTV camera is the group of digital equipment. The parts details are below mentioned.

  • Cameras
  • Power Converter
  • DVR unit
  • Monitor
  • Router
  • Remote control client
  • Remote storage control room

4 - Types of CCTV Camera and features:

1- Type of CCTV camera
  • Pan/Tilt/Zoom
  • Fixed
  • Virtual PTZ or 360 degree.
2- Housing Types.
  • Dome
  • Outdoor
  • discreet
  • Bullet
3- CCTV camera features.
  • Day/Night
  • Resolution
  • Wireless
  • Auto focus
  • Thermal imaging
  • Varifocal
  • Remote zone
  • Infrared

Go back to index ↑

Electrical and Mechanical Job Interview Training.
Get boost in your job or get new opportunity

Technical e book is used for storing data in soft formate which may be pdf, ms word or others as availability.

Electrical E-book

(Get important knowledge about industrial electrical, building maintenance in E-book )

HT system, LT system, Transformer, Electrical panel, Motor and Starter, Circuit breakers, Protection relays, Measuring meters.

Interview is a physical verbal communication activity which is performed between job seekers and employers so that skilled person could be selected.

Technical Interview

( Electrical system, Diesel generator, BMS, AC, Chiller plant,
UPS, WTP, STP, ETP, Fire and safety.)

electrician, maintenance supervisor, AC operator, chiller plant operator, DG operator, BMS operator, Shift engineer, Maintenance engineer, technical executive, sr. engineer, assistant facility manager,


Learn Fast and Improve Your Skill in Electrical Field Basic and practical theory, repair and maintenance, protection and testing.

For any query :- write to us as below mentioned email ..

For official :-

For technical information :-

For interview preparation :-
Subscribe for Get Latest Post Updates in Your Email Inbox
Join Free Email Service