what difference do you notice between a wire and a cable when you see the electrician changing your house electrical wiring?
Answers
In new home construction, wiring for all electrical services can be easily installed before the walls are finished. In existing buildings, installation of a new system, such as a security system or home theatre, may require additional effort to install concealed wiring. Multiple unit dwellings such as condominiums and apartment houses may have additional installation complexity in distributing services within a house.
Services commonly found include:
Power points (wall outlets)
Light fixtures and switches
Telephone
Internet
Television, either broadcast, cable, or satellite
High-end features might include:
Home theater
Distributed audio
Security monitoring
Security CCTV
Automation
Energy management
Power and telecommunication services generally require entry points into the home and a location for connection equipment. For electric power supply, a cable is run either overhead or underground into a distribution board in the home. A distribution board, or circuit breaker panel, is typically a metal box mounted on a wall of the home. In many new homes the location of the electrical switchboard is on the outside of the external wall of the garage.
How services are connected will vary depending on the service provider and location of the home.
The following home services are supported by discrete wiring systems[2]
Information and Communications
Entertainment
Energy Management
Security and Safety
Digital Home Health
Aged and Assisted Living
Intelligent Lighting and Power.
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Answer:
wire is a single conductor whereas a cable is a group of conductors