arcing electricity between a cut insulated copper wire

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This site is purely informational. We aim to create a place where people can find out what wire they need and how to use it. Please consult a qualified electrician before installing wire. Please email comments or suggestions to admin@gaugewire.com

 

braided and stranded copper wire showing the small caps that lead to the current rising to the outer surface

Stranded Wire

Solid wire carries current better than stranded wire.  However, a solid wire is severely lacking in flexibility.  So, we have stranded wire that is very flexible and it conducts electricity only slightly less well as solid.  Stranded wire tends to send the current towards the outer surface (skin effect) more readily than solid wire due to the tiny wire gaps. Stranded wire can also be a victim of proximity effect or, in other words, signals interfering with each other due to all the currents flowing on so many different strands. Some of the signal gets crowded out.  To help alleviate these two problems, there is a special way to weave the stranded wire.  One of these wires is called Litz Wire.       

Stranded wire is made up of a whole bunch of smaller wires that are tightly stranded together.  You can tell a stranded wire because the ends look frayed; kind of like an old shoe lace end that’s coming apart. 

It is important to note that effects like the skin effect or proximity effect are only noticeable at high frequencies  (above 60 HZ) and that the effects are usually quite minimal.

 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


 

 

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