By Faustine Arnaud. Electrical Wiring. Publised at Wednesday, March 21st 2018, 05:21:09 AM. Materials used in wire have varied over the years. Copper has always been the first choice because it is such a good conductor and is very flexible. In the 1960 to 1970’s, aluminum wire became popular due to the rising cost of copper. Insulation was usually rubber although rubber tended to corrode due to exposure to moisture and air. PVC compounds are now used most commonly as wire insulation. Insulation is made in different colors to identify wiring circuits in a system.
By Manon Marianne. Electrical Wiring. Publised at Monday, March 19th 2018, 20:15:12 PM. Some old homes were designed to run off less power than the modern home. Most states have a 100 amp minimum requirement. Homes running under that service could consider an upgrade to bring them to between 100 and 200 amps, which could run upwards of $2,000. Homeowners should evaluate their power demands first. “A homeowner can have an electrician test the system with an amp meter while all the big loads are on,” says Holt. “If the draw is over 75-80 percent of the service size, you might consider an upgrade. Otherwise you should be fine.”
By Morgane Seraphine. Electrical Wiring. Publised at Tuesday, March 20th 2018, 21:06:30 PM. The NEC is used in conjunction with local, country, and State codes that strictly control electrical wiring. The codes are concerned with proper size of wire and with insulation. Factors that are considered are the expected load, the frequency of modifications, and the nature of the environment where the wire is used. Homes have small loads, infrequent modifications and a very non-corrosive environment. Commercial establishments are usually in the middle. The load demands are sometimes higher, and modifications are not infrequent. The factory or industrial site has a very high demand. Modifications are frequent, and the environment is often highly unstable.
By Sebastien Abel. Electrical Wiring. Published at Tuesday, March 20th 2018, 15:24:41 PM. Plastic boxes usually have spring-tabs for clamps and do not require tightening. Note: The ends of the individual wires should be clean, straight, and undamaged. Their insulation should be stripped 1/2 to 3/4 inch from the ends. Trim any damaged wires and/or strip insulation as needed, using wire strippers.
By Olivier Danielle. Electrical Wiring. Published at Tuesday, March 20th 2018, 08:52:14 AM. Also, be sure to properly label any connections you make and update them with any changes. Accidentally turning off the lights on your wife in the bathroom when you meant to disconnect the kitchen may lead to some choice words. Your electric range may also require your electric prowess. You might find yourself replacing the oven bake element, which is a relatively simple project.
By Faustine Arnaud. Engine Wiring. Published at Tuesday, March 20th 2018, 00:49:01 AM. The cylinder head is a piece of metal that sits over the engine’s cylinders. There are small, rounded indentations cast into the cylinder head in order to create room at the top of the chamber for combustion. A head gasket seals the joint between the cylinder head and cylinder block. Intake and outtake valves, spark plugs, and fuel injectors (these parts are explained later) are also mounted to the cylinder head.
By Sebastien Abel. Electrical Wiring. Published at Monday, March 19th 2018, 21:03:09 PM. The majority of homeowners will not mess around with the electric meter or service disconnect and leave these up to the utility company or hire an electrician. However, you might work with the electrical panel. Whether you're installing a new panel or making repairs on an old one, it's very important that you get it right. After all, this is the hub for your entire home's electricity.
By Manon Marianne. Electrical Wiring. Published at Monday, March 19th 2018, 20:15:12 PM. The long thick cables of transmission lines are made of copper or aluminum because theyhave a low resistance.
By Marthe Mathilde. Engine Wiring. Published at Monday, March 19th 2018, 18:13:53 PM. The engine block is the foundation of an engine. Most engine blocks are cast from an aluminum alloy, but iron is still used by some manufacturers. The engine block is also referred to as the cylinder block because of the big hole or tubes called cylinders that are cast into the integrated structure. The cylinder is where the engine’s pistons slide up and down. The more cylinders an engine has the more powerful it is. In addition to the cylinders, other ducts and passageways are built into the block that allow for oil and coolant to flow to different parts of the engine.
By Sebastien Abel. Electrical Wiring. Published at Monday, March 19th 2018, 16:13:31 PM. 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.
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