By Augustine Yvonne. Electrical Wiring. Publised at Wednesday, August 30th 2017, 02:31:22 AM. • Black represents ungrounded line, load and control conductors at line voltage. • Red represents ungrounded AC control conductors, at less than line voltage. • Blue represents ungrounded DC control conductors. • Yellow represents ungrounded control circuit conductors that may remain energized when the main disconnecting means is in the OFF position. These conductors must be yellow throughout the entire circuit, including wiring in the control panel and the external field wiring. • White or natural gray represents a grounded circuit conductor. • White with blue stripe represents a grounded DC current-carrying circuit conductor. International and European standards require you to use light blue for the neutral conductor. • White with yellow stripe represents grounded AC current-carrying control circuit conductors that remain energized when the disconnecting means is in the OFF position. For additional circuits powered from different sources that remain energized when the main disconnecting means is in the OFF position, you must use striping colors other than green, yellow or blue to uniquely identify the grounded conductors.
By Claudie Ulysse. Electrical Wiring. Published at Friday, January 19th 2018, 20:08:48 PM. You are required to use pressure connectors to connect conductors to devices with lug-type terminals that are not equipped with saddle straps or equivalent means of retaining conductor strands.
By Blandine Honorine. Electrical Wiring. Published at Friday, January 19th 2018, 17:49:47 PM. A lamp inside an enclosure provided for use during maintenance is an example of such a circuit. The control panel may be isolated but the lamp will require power so that the engineer can see while working on it.
By Claudie Ulysse. Engine Wiring. Published at Friday, January 19th 2018, 17:42:43 PM. When your ignition switch is in the “run” position your accessory terminal is energized by the battery. Power then runs from the “A” or accessory terminal to a STSP (Single Throw Single Position) switch. This switch is wired in-series and is a way to connect and disconnect power to your accessory such as your headlights. Your headlights are then wired to the STSP light switch and are wired in parallel to each other. This means two wires will come from your light switch and connect to each headlight individually. Two ground wires will also come off each headlight individually and connect to the common ground. If you were to wire your headlights in series each headlight will only use 6 volts rather than 12 and the brightness will be diminished.
By Claudie Ulysse. Electrical Wiring. Published at Friday, January 19th 2018, 16:28:43 PM. This section requires you to support conductors in panels to keep them in place. You're permitted to use wiring channels if they're made of a flame-retardant insulating material. If you're working with back-connected control panels, you must provide access doors or swing out panels that swing about a vertical axis. Multiple-device control panels must have terminal blocks or attachment plugs and receptacles to terminate and connect all outgoing control conductors.
By Severin Theodore. Engine Wiring. Published at Friday, January 19th 2018, 14:11:14 PM. They are heavy. In most applications today their power to weight ratio is not considered impressive. But when they power 4 wheeled machines such as Lawn and Garden Tractors, Skidsteers, and Road Grading Machines, you want that weight to aid in delivering that power to the ground.
By Annette Noele. Engine Wiring. Published at Friday, January 19th 2018, 13:53:09 PM. The valve face is the area on the valve that makes contact with the valve seat. It can become worn, warped and pitted over time. In order to correct this you will need a valve face grinder. These are expensive tools, so I recommend replacing the valves with new ones when you can. The rest of this article will assume you are using brand new valves.
By Sylviane Marcelline. Engine Wiring. Published at Friday, January 19th 2018, 11:48:04 AM. The valve seat is the part of your engine block that makes contact with the valve face on the valve. It needs to be cut with a valve seat cutter. A valve seat cutter is also an expensive tool but not as expensive as a valve grinder.
D-42 - Engine Wiring Diagram Specialist
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