By Faustine Arnaud. Electrical Wiring. Publised at Wednesday, March 21st 2018, 05:21:09 AM. The long thick cables of transmission lines are made of copper or aluminum because theyhave a low resistance.
By Morgane Seraphine. Electrical Wiring. Publised at Tuesday, March 20th 2018, 21:06:30 PM. In the second stage, the electrical equipment and the structures for the installation of wiring are transported to the construction site, installed in the planned locations, and assembled. In addition, cables and wires are laid and are connected to the installed electrical equipment. Electrical installation work is completed when the installed equipment is actuated and adjusted. The most complicated work in this respect is the adjustment of relay protection and automatic control systems for electric drives.
By Manon Marianne. Electrical Wiring. Publised at Monday, March 19th 2018, 20:15:12 PM. "AFCI’s give great fire protection to homes with older wiring,” says Mike Holt, licensed electrician, electrical inspector, instructor, and founder of Mike Holt Enterprises, providers of educational resources to those in the electrical profession and related fields. Currently, the National Electric Code requires AFCI breakers for circuits providing power to bedrooms, living rooms, family rooms, and other common rooms in new construction. The cost for an AFCI breaker varies by manufacturer, but consumers can expect to pay around $30 to $35 apiece.
By Marthe Mathilde. Electrical Wiring. Published at Tuesday, August 15th 2017, 16:58:02 PM. Arc fault circuit interrupters (AFCIs) protect a home against electrical fires. ACFIs protect against fire-causing arcing much like GFCI’s protect against stray current. When an arc is detected, power to the circuit is interrupted. Arcing can be caused by any number of factors, including damaged or worn wires, incorrect wiring, and loose or wet connections. Newer AFCIs are able to distinguish between dangerous arc faults and normal arcing caused by fluorescent lighting and some dimmers and switches.
By Marthe Mathilde. Electrical Wiring. Published at Thursday, August 10th 2017, 13:42:57 PM. Both GFCIs and AFCIs come with test switches and should be tested every thirty days. Testing a GFCI is straightforward: Press the “reset” button on the receptacle. Plug a lamp into the outlet and turn it on. The light should be on. Press the “test” button. The “reset” button should pop out and the lamp should turn off. Push the “reset” button once more; the lamp should turn back on. If the test does not work like this, the receptacle is faulty and should be inspected by a professional.
By Marthe Mathilde. Electrical Wiring. Published at Sunday, August 06th 2017, 09:31:46 AM. Electrical codes began in the 1880’s at the same time the first extensive wiring was being done. In 1897, the National Fire Protection Association established the National Electric Code (NEC). The National Fire Protection Association was a group of Insurance companies that were concerned about the potential danger inherent in faulty electrical wiring. They had cause for concern. Early wire was bare or covered with cloth. There was little understanding of the need for insulation.
By Thibault Margaux. Engine Wiring. Published at Wednesday, August 02nd 2017, 09:23:41 AM. I figure there are other grown men out there who are like me — men who aren’t car guys but are a little curious about how their vehicles work. So I plan on sharing what I’m learning in my own study and tinkering in an occasional series we’ll call Gearhead 101. The goal is to explain the very basics of how various parts in a car work and provide resources on where you can learn more on your own.
By Claudette Alice. Electrical Wiring. Published at Sunday, July 30th 2017, 07:19:56 AM. High voltage transmission lines carry electricity long distances to asubstation. From this substation, electricity in different power levels is used to runfactories, streetcars and mass transit, light street lights and stop light, and is sent toneighborhood. When electricity enters "example house", it must pass through a meter andgoes through a fuse box. The fuse box protects the house in case of problems. When afuse "circuit breaker" ³blows´ or ³trips´ something wrong with an appliance or somethingwas short circuited.
By Manon Marianne. Engine Wiring. Published at Sunday, July 23rd 2017, 06:31:20 AM. In the 16th century, inventors created a form of internal combustion engine using gunpowder as the fuel to power the movement of the pistons. Actually, it wasn’t the gunpowder that moved them. The way this early internal combustion engine worked was you’d stuff a piston all the way to the top of a cylinder and then ignite gunpowder beneath the piston. A vacuum would form after the explosion and suck the piston down the cylinder. Because this engine relied on the changes in air pressure to move the piston, they called it the atmospheric engine. It wasn’t very efficient. By the 17th century, steam engines were showing a lot of promise, so the internal combustion engine was abandoned.
By Thibault Margaux. Electrical Wiring. Published at Wednesday, July 19th 2017, 06:16:37 AM. After electricity is produced at power plants is has to get to the customers that usethe electricity. Our cities, towns, states and the entire country are crisis-crossed withpower lines that ³carry´ the electricity. As large generators spin, they produce electricitywith a voltage of about 25,000 volts. A volt is a measurement of electromotive force inelectricity. The electricity first goes to a transformer at the power plant that boosts thevoltage up to 400,000 volts. When electricity travels long distances it is better to have itat higher voltages "more efficiently at high voltages".
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