electrical products - revised
DESCRIPTION
Electrical ProductsTRANSCRIPT
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Electrical Products SUBMITTED TO AND EDITED BY:
ARCH. SYVESTER D. SENO
ELECTRICAL PRODUCTS DIZON, PATRICIA Y.
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Electrical products
• are manufactured produce used for
the need of an easy & convenient
usage, control and transmission of
electricity
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Wires – used for conveyance of
electric current Types of electrical wiring and metal wires
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Triplex wire
• an aerial cable that utility
company uses to feed the
power pole
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Single-strand wire
• also known as solid wire
• cheap
• used where its flexibility is
not greatly needed
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Stranded wire
• composed of bundles of wire
to make a large conductor
• flexible
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Non-metallic sheathed wire
• commonly called Romex
• has either two or three
conductors and a bare
ground wire
• the typical wiring used in
most homes
• flexible
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Copper electrical wire
• a very good conductor of
electricity
• is very easy to mold and
bend
• reasonable price for
residential use.
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Silver wire
• the best conductor of electricity
• used in electrical wires for high
temperature conditions
• not so easy to bend
• costs too much
• Commonly used in audio and
video equipment
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Outlets – are openings,
protected with a
receptacle plate where
electrical plugs (from the
appliances) are inserted,
so as to get electricity
from the power source.
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Plug from
appliance
Electrical
Outlet
Receptacle
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2-Pole (2 wire)
• an outlet made for 2 prongs
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2-Pole (3-wire)
• an outlet made for 3 prongs
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Triplex
• has 3 outlets on one plate
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Duplex
• has 2 outlets on one plate
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Outdoor receptacle – serves a a
plate cover for the electrical outlet
• weatherproof
• used outside or places where it
is subject to immense heat or
rain
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This is where the
electrical outlet is
located
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Junction box • a container for electrical connections,
usually intended to conceal them from
sight and deter tampering
• Never install a junction box in a concealed
wall or ceiling space where is can not be
accessed in the future.
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Octagon box
• often used for
supporting ceiling
fixtures and making
electrical connections
• are usually found on
walls or ceilings
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Round Pan Electrical Box
• metal box typically used
for installation of ceiling
or wall mounted light
fixtures up to 50 pounds
• plastic box may used for
outlet mounting
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Square box
• provides maximum volume
for multiple conductors and
connectors
• may also be installed in
ceilings or walls for lighting
fixtures, switches or
receptacles
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Locknut
• used to secure threaded
conduits or connectors to
electrical junction boxes or
enclosures in wet locations
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Bushing
• a hollow electrical insulator
which a conductor may pass
• are used where high voltage
lines must pass through a
wall or other surface
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Pull box
• provides housing for power lines and
telecommunication cables that need to be
hidden from view
• gives workers access to the lines and cables
that are necessary for the operation of a city and
building utility infrastructures
• can be buried underground or stored above
ground
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Indoor pull box
• constructed of sheet
metal approved for all dry,
interior and non-
hazardous locations
• protects the equipment
from falling dirt and
splashed or hose-
directed water
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Telecommunications pull box
• houses conduit
communication cables
• cables should be able to be
pulled through the box without
incurring damage
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Underground pull box
• should be grounded to their
location and made of
precast concrete or cast iron
with galvanized
• covers should be removable
for access to the contained
cables
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Outdoor pullbox
• able to withstand dirt,
rain, sleet and snow
while still protecting
the equipment inside
• made of galvanized
metal, cast aluminum
or fiberglass
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Switch
• an electrical component
that can break an electrical
circuit, interrupting the
current or diverting it from
one conductor to another
• may be directly manipulated
by a human to control power
flow in a circuit
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2-gang 1-gang 3-gang 4-gang
Switch w/ pilot
light Push button Tumbler switch
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Circuit Breaker
- A device that can automatically stop an electric current, before it becomes dangerous. The circuit breakers are housed in a panel box, and is usually located in a service zone like kitchen (for residences) and electrical room per floor (for large buildings).
- This is a centralized control board which is found on each floor or major area of a building.
- A circuit breaker can be turned off for a particular floor, if the said floor needs an electrical repair or maintenance, for the safety of the electrician / repair men from electrocuting.