Double socket, representation in electrical projects!

Do you know how to represent a double plug in an electrical project? Will the general-purpose dual-socket on the project features two 100VA points? Undertaking the reading and interpretation of electrical projects is undoubtedly one of the greatest challenges for many professionals. As we know the job market is increasingly competitive, so an electrician who does not know how to read and interpret electrical diagrams is at a disadvantage compared to other electricians. In this article, we will show how double plugs are represented in an electrical project.

Power plug

The socket is the connection point that transmits electrical energy to a plug to be connected, and the plugs are used to connect electrical and electronic devices. Sockets used in homes are divided into two classes, TUG (general purpose socket), for household appliances with an electrical current of up to 10A and TUE (specific use socket), for domestic appliances with an electrical current of up to 20A.

We also have industrial outlets, which are made to work with electrical currents greater than 16A to 125A, and the main characteristic of industrial outlets is to work with larger currents. Industrial outlets are used to supply power to various industrial machines such as bench drills, milling cutters, mats, lathes, etc.

The symbologies of industrial and residential sockets are represented in the same way in an electrical project, but each symbology may contain different information because they are used in locations with very different currents.

Double Socket – Electrical Project

Electrical projects always generate many doubts and when it is necessary to put a double plug in the project, doubts always arise. The main one is whether a double plug in common use in the project will count as two 100VA points.

For the electrical calculations of the project, any point that can be connected to an electrical appliance is an outlet point and should have its power counted, that is, it will count as two 100VA points.

It is important to highlight that not counting a project socket in the electrical calculations can cause cables and circuit breakers to be badly dimensioned. In the case of badly dimensioned cables, an increase in heating consumption can occur, and in more extreme cases it can even cause a fire.

Another question that arises is how to represent a double plug in an electrical project. To understand how to represent a double socket in a project, it is necessary to know the symbology of the sockets, observe in the image below, that we have the symbology of low, medium, high and floor sockets.

Symbologies used to represent outlet.

In the standard, there is no exact symbology for the representation of double sockets, but double sockets can be represented in some ways in the electrical project. The first form of representation is with two socket symbols, interconnected next to each other. The second form of representation is almost the same as the first, where the symbols are also interconnected next to each other, but the representation is diagonal. The third way of representing it is with two symbols of an outlet one in front of the other.