What is a junction box with terminal blocks?

April 26, 2021

In home decoration, junction box is one of electrical accessories. Generally, the junction box is composed of a box cover, a box body, a terminal block, a diode, a connecting wire, and a connector. Because the wires used for decoration pass through the wire tube, the junction box is used as the transition at the connection part of the wire (for example, the line is relatively long, or the wire tube needs to be cornered). The wire tube is connected to the junction box, and the inside of the wire tube The wires are connected in the junction box to protect the wires and connect the wires. This is the junction box.

The thermocouple and thermal resistance junction box is a device used to fix the terminal block and as a connector. It plays a role in protecting the temperature sensing element from the external atmosphere and making the external wire and the terminal contact good. According to the measured temperature object and On-site environmental conditions and requirements, in addition to ordinary Junction Boxes, junction boxes such as splash-proof, waterproof and plug-in types are also designed. If we assemble various types of junction boxes into thermocouples and thermal resistance products, these products are correspondingly splash-proof, waterproof and plug-in thermocouples and thermal resistances.

Type of junction box:
Ordinary junction box: It has a simple structure and can ensure that the junction seat and the protective tube are firmly connected to the junction box. The connection between the different wires and the temperature sensing element through the connection post has good electrical contact performance. Ordinary junction boxes are usually used in places with good environmental conditions and no corrosive atmosphere.
Plug-in junction box: It is characterized by easy assembly and disassembly, and the standard product of the connector manufacturer is selected. It can prevent dirt from intruding into the junction box and ensure good electrical contact performance, so it is suitable for dry and dusty sites. It can be quickly disassembled and assembled during use, thereby reducing the influence of high temperature or dust on operators.
Splash-proof junction box: The thermocouple and thermal resistance products of this junction box with splash-proof performance can be used in scenes that are often splashed by water vapor or are relatively humid or dusty.
What is a junction box

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