WHY IS 1 PRONG OF A CONVENIENCE OUTLET WIDER THAN THE OTHER ONE... FOR YOUR PHILIPPINE ELECTRICAL CONCERNS...NEEDS...INSTALLATION...QUOTATION...ORDERS: KINDLY EMAIL US: SAFEELECTRICAL2013@GMAIL.COM

Polarized Receptacles The high voltage (about 120 volts effective, 60 Hz AC) is supplied to the smaller prong of the standard polarized U.S. receptacle. It is commonly called the "hot wire". If an appliance is plugged into the receptacle, then electric current will flow through the appliance and then back to the wider prong, the neutral. The neutral wire carries the current back to the electrical panel and from there to the earth (ground). Theground wire is not a part of the electrical circuit, but is desirable for prevention ofelectric shock. The two receptacles in a common "duplex" receptacle receive power from the same circuit leading from the main electrical supply panel. They are wired in parallel so that two appliances which are plugged into the receptacle receive the same voltage, but can draw different amounts of electric current. Parallel wiring is the standard for 120 volt circuits in the entire house, making possible the independent use of all appliances, supplied by the same voltage. Why is one prong wider? Example circuit

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HyperPhysics*****Electricity and magnetism R Nave

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Polarized Receptacles The wider prong on the polarized plug will permit it to be plugged in only with the correct polarity. The narrower prong is the "hot" lead and the switch to the appliance is placed in that lead, gauranteeing that no voltage will reach the appliance when it is switched off. A non-polarized plug may have the switch in the neutral leg and thus be a shock hazard even when it is switched off.

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