Terminal box: purpose, description

Date:

2019-08-23 22:00:21

Views:

794

Rating:

1Like 0Dislike

Share:

Table of contents:

Over a hundred years ago, with the introduction into everyday life of electricity, humanity had finally taken the technological direction of our civilization. Now we are surrounded by different electrical appliances and equipment. Almost each house is provided with electric wires, and if the housing is in a remote location, and then people find a way out: install windmills, solar panels and so on. But not all people know that almost any appliance needs that element terminal box. What it is and what is needed? In this article we will try to answer these questions.

The terminal box is a rectangular or round box with terminal block inside. Typically, the socket is designed for maximum cross section of the switched wire (35 mm) and the number of direct connections – 7-12 PCs.

terminal

The terminal box depending on the destination can be:

  • For dry areas;
  • For installations with aggressive media (chemical industry);
  • For outdoor use (temperature and moisture).

Classification of terminal boxes

1. According to the method of installation are:

  • For outdoor installation;
  • For concealed installation in concrete;
  • For concealed installation in plaster, plasterboard.

2. Depending on the materials used:

  • Made of polypropylene, ABC-plastic, PVC self-extinguishing and others;
  • Metal.

3. Degree of protection (dust, moisture, etc.):

  • Box IP20;
  • IP44,IP54,IP65;
  • Explosion proof.

explosion proof terminal box

4. Share on climate performance:

  • For outdoor use U1;
  • To embed under a canopy U2;
  • For indoor U3.

5. Depending on the form of performance are:

  • Rectangular;
  • Square;
  • Round.

6. The presence of terminal block:

  • With terminal blocks;
  • Without a terminal block.

You should Also mention the instrument boxes. They are slightly larger in overall dimensions than the terminal box. Allow you to put pads except for small appliances, switches, sockets.

Recommended

The most effective methods of seed germination

The most effective methods of seed germination

Despite the fact that the method of seedling in vegetable production is a very time consuming process, it is used by most gardeners. Planting seeds in open ground is an easy and convenient method, but it is effective only in certain climatic zones. I...

Retro-reflective paint. The scope of

Retro-reflective paint. The scope of

When the vehicle began to fill the road, their popularity began to gain reflective paint. Thanks to this paint, as drivers and pedestrians becomes much easier to avoid accidents in the dark. Purpose paint Reflective paint – paint material, whic...

How to make icon with your own hands - options izgotovleniya (simple and complex)

How to make icon with your own hands - options izgotovleniya (simple and complex)

In Soviet times, many collecting badges, emblems, pennants. To get them was not easy. And today, thanks to technology, you can make them yourself. Knowing how to make icon with your own hands, and you can make original gifts to your friends, and make...

The terminal box may have a housing hermetic seals for supply of wires and cables. Often the seals replaced by metal or plastic tubing. The seals can be rubber with cut concentric circles or plastic that allows you to adjust the mounting hole. The use of seals allows to increase the tightness. Box closed with a lid that is attached to the body by means of screws or latches with gaskets.

the terminal box connecting

All the terminal boxes depending on the purpose, application and implementation have different markings. This allows the user to quickly select the product. After connecting the terminal box can be used both under water and at altitude (say, five thousand meters above sea level), can be sewn into the wall, and can be constantly exposed to aggressive influences in the chemical industry. All this information is contained in the product code. For example, the terminal box has explosion-proof marking 1ExeIIT5. There are many types of markings, even among the explosion-proof boxes. The encrypted marking information and the degree of protection, and place of use of the product, and more.


Article in other languages:

BE: https://tostpost.com/be/hatn-tul-nasc/36209-termapary-k-ra-n-ko-pryznachenne-ap-sanne.html

DE: https://tostpost.com/de/gem-tlichkeit/35868-klemmkasten-zweck-beschreibung.html

ES: https://tostpost.com/es/la-comodidad-del-hogar/35698-caja-de-bornas-el-prop-sito-la-descripci-n-de-la.html

KK: https://tostpost.com/kk/domashniy-uyut/36499-klemmnaya-oraby-ma-saty-sipattamasy.html

PT: https://tostpost.com/pt/o-aconchego-do-lar/37519-caixa-de-terminais-a-nomea-o-descri-o.html

UK: https://tostpost.com/uk/domashn-y-zatishok/36796-klemna-korobka-priznachennya-opis.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

Comments (0)

This article has no comment, be the first!

Add comment

Related News

The

The "thermal barrier", fire-retardant paint: consumption, specifications, characteristics

load-Bearing metal structures – the most durable products able to stand against many disasters, but not against all: unfortunately, even metal could not stand against the pressure of fire. This is very dangerous because in a...

Tall Cabinet for kitchen: beautiful, ergonomic, comfortable

Tall Cabinet for kitchen: beautiful, ergonomic, comfortable

increasingly in the design of modern apartments a narrow, but very convenient side Cabinet for the kitchen. More recently he has become a real trend in modern design kitchens. The main objective of such furniture – to facili...

What is the shutter: definition, functions, importance

What is the shutter: definition, functions, importance

What is the shutter? You've probably heard that word at least once in life, for example, in the childhood at lessons of drawing. Shutters – some predecessors of modern relletov that perform protective and energy-saving funct...

The crisper drawer in the fridge - what is it? Built-in refrigerator with crisper drawers

The crisper drawer in the fridge - what is it? Built-in refrigerator with crisper drawers

Hardly anyone even 10-15 years ago could have imagined that today will be sold refrigerators with so many functions. Displays, sensors, special zone for storing vegetables, fruits etc is now available to every consumer. Let's talk...

How to get rid of flies in a wooden house? Folk remedies and household chemicals

How to get rid of flies in a wooden house? Folk remedies and household chemicals

Spring... What could be more beautiful! However, with the arrival of the first tender rays of the sun revives all nature, and pesky, annoying flies are not excluded. Especially many of these insects live in rural areas. People nee...

Cherry Turgenev: characteristics of the variety

Cherry Turgenev: characteristics of the variety

Berries and leaves of cherry are widely used not only for cooking but also in folk medicine. Besides fruits are a diet product that can cause appetite and normalize the digestive process. That's why many gardeners want to grow che...