From: BobEngelhardt@comcast.net   
      
   On 9/6/2018 10:05 AM, Andy wrote:   
   > ...   
   > Would a 4 ft. length of 18 AWG wire be ok for a 10 amp load.? (Circular saw)   
   >   
      
   In this situation, it's mostly a matter of heat.  Smaller wires get   
   hotter.  And wires in a cable with insulation around them get hotter   
   than wires in open air.   
      
   In your case, the saw will hardly ever be drawing its full rated load of   
   10A = that will happen only when you're really pushing it through thick   
   wood.  Also, its use will be intermittent, giving the wire the chance to   
   cool between cuts.   
      
   So, 18ga is too small for your saw, but you'll probably be OK.   
      
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