By Babette Benjamine. Electrical Wiring. Publised at Saturday, July 29th 2017, 15:58:18 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 Sylviane Marcelline. Electrical Wiring. Published at Tuesday, January 23rd 2018, 06:32:48 AM. The dedication of panels by power class is the most efficient measure to obtain an excellent “EMC” result. Moreover, separate routing of disturbing and sensitive cables ensures minimum coupling.
By Augustine Yvonne. Electrical Wiring. Published at Tuesday, January 23rd 2018, 05:36:13 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 Linda Cerise. Electrical Wiring. Published at Tuesday, January 23rd 2018, 05:16:19 AM. 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 Charline Rodrigue. Electrical Wiring. Published at Tuesday, January 23rd 2018, 04:58:13 AM. Where the circuits work at different voltages, the conductors must be separated by suitable barriers or all the wires insulated for the highest voltage to which any conductor may be subjected.
By Severin Theodore. Electrical Wiring. Published at Tuesday, January 23rd 2018, 04:48:38 AM. 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 Babette Benjamine. Electrical Wiring. Published at Tuesday, January 23rd 2018, 04:20:55 AM. 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.
By Sylviane Marcelline. Electrical Wiring. Published at Tuesday, January 23rd 2018, 02:21:59 AM. 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.
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