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What are the role of Terminal Blocks?

2022-12-13

Terminal Blocks

The wiring terminal is a metal piece sealed in the insulated plastic. It is designed and applied to facilitate the connection of the wires. There are holes on both ends of the wiring terminal that can be inserted into the wire. Welding or entangled together is very convenient and fast. In the power industry, there are special terminals, terminal boxes, all of which are wiring terminals, single -layer, dual -layer, current, voltage, ordinary, broken, etc. The certain pressure connection area of the wiring terminal is to ensure reliable contact and ensure that sufficient current can be passed. This article is mainly to answer the use and some common problems of the wiring terminals; I hope to solve some confusion of the terminal of the wiring terminal.

The role of Terminal Blocks is as follows:
What is the use of grounding terminals in the power distribution box? The grounding terminal is a special wiring terminal of the ground line. Now my country's electricity consumption is a three -phase and four -line system, and the zero line and the ground line are separated. The ground line is generally connected to the ground line of the socket to protect the safety of electricity.
Under what circumstances uses the wiring terminal? The wire connection between different devices requires terminal rows, and some plug -in or modules also need to go to the terminal row.
When does the electrical cabinet need a wiring terminal? Based on a installation unit as the boundary, the line is required to enter and exit this unit.
What does 4EN representing the wiring terminal type model? 4EN indicates that the contact area is 4 square millimeters.
What is the role of terminal row? Easy to wiring; if the signal light or table on the door of the cabinet door must be upper terminal when installing the power distribution cabinet. Easy to check the line; convenient measurement when faulty occurs. Node expansion; the same line number node extension.
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