By Augustine Yvonne. Electrical Wiring. Publised at Saturday, February 10th 2018, 23:53:48 PM. Connections should be secured against accidental loosening. Correctly tighten terminal screws and where a connecting plug is fitted, use the clamps or screws provided to secure it to its mating socket.
By Augustine Yvonne. Electrical Wiring. Publised at Tuesday, January 30th 2018, 16:32:34 PM. In general, contactors should be kept away from electronic devices. A highly disturbing device (variable speed drive, frequency converter, etc.) will have less radiation in the panel if it is “encapsulated” in a small, electromagnetically sealed, unpainted metal enclosure.
By Annette Noele. Electrical Wiring. Publised at Thursday, February 01st 2018, 07:42:06 AM. Ensure that identification tags and cable markers are legible, marked with a permanent ink and suitable for the environment where the panel is to be used. They should also correspond with those shown in the machine drawings and instruction or service documentation.
By Babette Benjamine. Electrical Wiring. Published at Friday, January 19th 2018, 04:49:43 AM. Soldered connections should be made only to terminals suitable for that purpose. Transformers may be fitted with turret tags suitable for soldering and printed circuit board assemblies may have solder pins.
By Blandine Honorine. Electrical Wiring. Published at Friday, January 19th 2018, 04:11:12 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 Babette Benjamine. Electrical Wiring. Published at Friday, January 19th 2018, 01:01:51 AM. A conductor is a material which will allow an electric current to flow easily. In the case of a wire connection, it needs to be a very good conductor. Good conductors include most metals. The most common conductor used in wire is copper, although you may come across others such as aluminium. An insulator on the other hand is a material which does not allow an electric current to flow. Rubber and most plastics are insulators.
By Annette Noele. Electrical Wiring. Published at Thursday, January 18th 2018, 23:29:05 PM. For grounded control circuits, you may use a green (with or without one or more yellow stripes) or a bare conductor to connect the transformer terminal to a grounding terminal on the control panel.
By Linda Cerise. Electrical Wiring. Published at Thursday, January 18th 2018, 17:55:14 PM. You are required to run conductors and cables from terminal to terminal without splices. However, an exception allows you to install a splice in leads attached to electrical equipment, such as motors and solenoids.
By Claudie Ulysse. Electrical Wiring. Published at Thursday, January 18th 2018, 16:50:41 PM. Two or more conductors may only be connected to a terminal that is designed for the purpose. The majority of connecting blocks will only take one or two conductors. Don’t force in any more.
By Augustine Yvonne. Electrical Wiring. Published at Thursday, January 18th 2018, 16:30:03 PM. When constructing junction boxes and pull boxes, you must be careful to exclude materials such as dust, flyings, oil and coolant. After you complete all wiring operations, you must seal all unused knockouts or openings.
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