By Elvire Fernande. Engine Wiring. Publised at Tuesday, January 30th 2018, 18:25:31 PM. On the top of the piston, you’ll find three or four grooves cast into the metal. Inside the grooves piston rings are put in. The piston rings are the part that actually touch the walls of the cylinder. They are made from iron and come in two varieties: compression rings and oil rings. The compression rings are the top rings and they press outward on the walls of the cylinder to provide a strong seal for the combustion chamber. The oil ring is the bottom ring on a piston and it prevents oil from the crankcase from seeping into the combustion chamber. It also wipes excess oil down the cylinder walls and back into the crankcase.
By Thibault Margaux. Engine Wiring. Publised at Tuesday, January 23rd 2018, 16:16:00 PM. Automakers are improving fuel economy by exploiting a new controls approach that uses the waste heat from vehicle engines. Currently, up to 65% of the heat energy produced in internal combustion engines, whether gasoline or diesel, is wasted. Typically, the powertrain or engine dissipates the heat by convection, where it is carried to the cooling circuit or lost out of the tailpipe in exhaust gases.
By Claudette Alice. Electrical Wiring. Published at Tuesday, March 20th 2018, 22:14:21 PM. Turn off the power to the circuit you'll be working on by switching off the appropriate circuit breaker in your home's service panel (breaker box). Test all of the wires you'll be working on with a non-contact voltage tester. The test should confirm that no voltage is present in any of the wires.
By Elvire Fernande. Electrical Wiring. Published at Tuesday, March 20th 2018, 21:47:16 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 Morgane Seraphine. Electrical Wiring. Published at Tuesday, March 20th 2018, 21:06:30 PM. Carefully tuck the wires into the box. Install the box cover, securing it with two screws. The cover must be a solid "blank" without holes. Restore power to the circuit by switching on the circuit breaker.
By Manon Marianne. Electrical Wiring. Published at Tuesday, March 20th 2018, 19:57:14 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 Sebastien Abel. Electrical Wiring. Published at Tuesday, March 20th 2018, 19:53:42 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 Sebastien Abel. Electrical Wiring. Published at Tuesday, March 20th 2018, 15:24:41 PM. If you look, you will also find a series of letters on a wire. These labels are also standard and will tell you more information about the makeup of the wire. For instance, the code may tell you whether it's aluminum or copper or whether or not it is heat resistant. As you learn more about wiring, you'll realize just how often you need to know these things.
By Olivier Danielle. Electrical Wiring. Published at Tuesday, March 20th 2018, 08:52:14 AM. Separate the circuit wires at the existing splice and loosen the cables as needed to make room for the new junction box. Mount the box to the framing (or other support structure) with screws driven through factory-made holes in the back or side of the box, as applicable.
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