home electrical installations
Post on 25-May-2015
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HOME ELECTRICAL INSTALLATIONS
● The electrical installation begins at electricity counters room.
● The counters are devices placed by companies that provides electricity to measure the electricenergy consumption.
HOME ELECTRICAL INSTALLATIONS
HOME ELECTRICAL INSTALLATIONS● Individual derivation line get inside each
apartment through control and distribution panel.
HOME ELECTRICAL INSTALLATIONS
● Elements of control and distribution panel are:● PCS (ICP): Power Control Switch, controls that
consumed power not exceeds the maximum contracted power by user. It is sealed by provider company.
● AMS (IGA): Automatic Main Switch, protects an installation against high intensities and shortcuts.
HOME ELECTRICAL INSTALLATIONS
● RCD (ID): Residual Current Device, is a security switch that disconnects all the home installation when there is any earth fault.
HOME ELECTRICAL INSTALLATIONS
● MCB (PIA): Miniature Circuit Breaker, exists one by each internal circuit, protects each circuit against overloads and shortcuts. It allows disconnect zones individually.
● The number of MCBs in the control and distribution panel depends on the metering type (with or without time discrimination) and the electrification level of the home.
HOME ELECTRICAL INSTALLATIONS
● Electrification level at home can be basic or high.● Basic level:
– Homes with less than 160 m2 of surface or contracted power below 9200W.
– It must allow the use of It must allow the use of common electrical devices common electrical devices at home.at home.
HOME ELECTRICAL INSTALLATIONS
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HOME ELECTRICAL INSTALLATIONS
● High level:– Homes with more than
160 m2 of surface or contracted power over 9200W.
– Homes with installation of electrical heating, air conditioning or driyer.
HOME ELECTRICAL INSTALLATIONS
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HOME ELECTRICAL INSTALLATIONS
● Most common electric circuits at home are:● Single point light: lamp or lamps that can be turn on
with a single switch.● Commuted point light: lamp or lamps that can be
turn on from two or more points.● Grounded or ungrounded electrical outlets.
HOME ELECTRICAL INSTALLATIONS
● Single point light:
HOME ELECTRICAL INSTALLATIONS
● Commuted point light:
HOME ELECTRICAL INSTALLATIONS
● Grounded or ungrounded electrical outlets:
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