3 days ago twisted cores Core- Nr. Color of Core Core- Nr. Color of Core 1 white 32 yellowblue 2 brown. Colour code according to DIN Core/colour. Core/colour. 1 white. 32 yellow/blue. 2 brown. 33 green/red. 3 green. 34 yellow/red. 4 yellow. 35 green/ black. The DIN standard specifies the core colour for up to 44 cores above this it usual practice to repeat the colours. The first colour is the colour of the base.

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Personally I use this trick in many cases where I have to wire many connections. Olin Lathrop k 30 Blair Fonville 2, 2 8 I attach wires to Arduino ones and they seldom come off once connected.

Also for power I like to dih somewhat longer wires, which makes it easy to identify them too. Obligatory link to the XKCD comic about standards: Indeed power red and black.

Oh no, there’s been an error

It would be smart to avoid black or red for signals, but otherwise use what you have. There are so many of them that it’s effectively the same as having no standard, as every possible wire arrangement likely has a standard that describes it. Email Required, but never shown.

Post as a guest Name. The best thing about standards is that there are so many to chose from. Best thing you can do when you start breadboarding is to use as many different colors as possible, so that you can tell them easier apart if the wiring would become a coe messy.


din 47100 color code cable copper 3 core low resistance cable

Sign up or log in Sign up using Google. So yeah, there are standards. At work I use a set of 10 different solid colors, and you may find two colored wires as well, which give you a lot more variation. Supply wires for small voltage DC often use red for coce, black for ground and blue for negative. Some are more expensive than others, mine look like these Personally I use this trick in many cases where I have to wire many connections.

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RxD as in your next project this pin can have an entirely different function. It is very common that Red is “Positive” and Black is “Negative. Some are more expensive than others, mine look like these. Sponge Bob 2, 14 35 It is simple and easy to remember once don know your color rings.


I have always loved electricity and have made simple circuits since I was a little baby. In electronicsred is usually positive power, black is ground, and the rest can be anything. If you need more than 10 wires, combinations are used.

Most of the time I have little trouble seeing the difference between red colod power supply and red for pin 2 same for blackbecause they come from an entirely different location on the Arduino. Are there other standards that are commonly used for other applications? Multiple signals with power and ground are often convenient to carry on a ribbon cable.

Standard wire colors Ask Question. If you install house wiring, you should follow this code or whatever local code there might be in your jurisdiction but never count on others having done so. In this manner it is relatively easy to see which wire is connected to which pin.

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But like the answers to this question say you sometimes can’t even rely on black being ground. Same for analog input 447100 A0, A1, Personally I like the use of screw shields. I know it doesn’t matter, but I am curious: