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Power Cords : The Lungs of Our Electrical World (1)

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IEC 60320 is a pre set standard safety regulation for general home electrical appliances. As per the regulation, voltage needs to be “Not more than 250 volts” (AC). Moreover, the current needs to be “Not more than 16A. To Know More : – PowerPoint PPT presentation

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Title: Power Cords : The Lungs of Our Electrical World (1)


1
Power Cords The Lungs of Our Electrical World
  • We cannot separate electricity from our
    lives. Majority of our day-to-day
    activities are either contingent on machines
    or electricity. Electrical supply is
    inevitable for machines. An electrical
    appliance requires a means to stay connected
    with the grid. A metal conductor sheathed
    inside a poly vinyl chloride insulator known as a
    power cord is that means.
  • Power cord, power connector, mains cable or line
    cord - call it with any of those names but
    the purpose it serves would not change.
    These power cords allow us to build a system of
    temporary connection. Using them, we can
    connect our electrical appliance with the wall
    socket or an extension board. It has two
    ends. The receptacle attaches one of those
    ends and the socket installs the other end.
    This arrangement is flexible and absolute.
  • Some appliances are purely power driven.
    They always need the electrical supply for
    its operation. For connection with the
    mains electrical supply line, these
    appliances require power cords. Few
    appliances are battery backed. They majorly need
    the connection only to recharge their
    batteries. These cords are capable of
    carrying alternating current as well as direct
    current.

2
IEC Connector IEC is a non-profit and a non-govt
organization. It sets specific standards for
connectors, which attach the power cord
with the electrical appliances. These
connecting couplers are available in
different combinations of earthing, for
temperatures and current needs. Using these
connecting couplers, merchants can produce
appliances for multiple markets. Now, power
supply standards differ from one country to the
other. Therefore, the merchants just need
to change just the power cord. This saves
additional cost and time. Moreover, they
can supply these power cords across the
world. IEC 60320 IEC 60320 is a pre set
standard safety regulation for general home
electrical appliances. As per the
regulation, voltage needs to be Not more
than 250 volts (AC). In addition, the
current needs to be Not more than 16A. In
1970, IECs first edition was in publishing.
Classifying based on standards divided
IEC 60320 into several parts. These
standards define the electrical,
thermodynamic, and mechanical requirements
along with the safety goals of power cords. The
IEC standards are acceptable across the
world. However, some North American Rating
agencies rate the products higher than IEC. This
includes Canadian Standards Association
(CSA), the UL Safety Organization of
the US.
3
For example, IEC specifies C13 Power Cord
with the rating of 10A current. But due to
the tolerance threshold of 5 of 120 V
in US Canada, UL specifies it up to
15A. Applications Most of the computer
desktops and some instrument amplifiers,
printers, monitor and other portable devices
use the c13 power cord, which has a standard
specified under IEC 60320. This is a power cord
and one of its ends attaches a country specific
standard power plug. A coupler attaches its
other end and an IEC cord or a computer
power cord is its name. Computer Cord, as
its major use is in computer
applications. Household sewing machines use a
specific type of standard under IEC 60320-2-1.
These are not interchangeable with other power
cords from IEC 320. The IEC 60320-1 includes
other general household equipment power
cords. All the equipment enlisted under
this standard, operate under the normal 250
Volts, and 16A.
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