Wiring for new electric oven with 6/3 wire

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  #1  
Old 09-18-13, 10:30 AM
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Wiring for new electric oven with 6/3 wire

Hello everyone! Ok so im refinishing my basement and converting a room into a kitchen. I plan on installing an electric oven. House was renovated few years back and whoever wired the main kitchen just left the old oven wire in joists. I was hoping i can use that its labeled 6/3 (red, black, white and bare ground)and is NM. I plan on putting it on a 50 amp breaker. Anyway the problem im having is that the ground is bare and is a lot thinner than the rest of the wires. The 6/3 i saw at electric supply store didnt have bare ground and guage was same as rest is my wire ok to use??? I need about 30 feet and the old wire i have here is 60ft run and would be a waste. Also looks farely new. Another question is should i feed that to main panel 150amp or one of the subs 80amp Also oven is not a double just reg basic electric oven.
 
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Old 09-18-13, 10:49 AM
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The existing NM cable as described , and protected by a 50 amp CB, is "useable".

Just be certain that at the termination-point the White wire is "Ground-isolated" from the bare cable conductor and the metallic surface of the appliance.
 
  #3  
Old 09-18-13, 12:54 PM
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Oh great!! So i can just use a 4 wire 50 amp outlet correct?? Oh and also main panel or sub? Thanks again
 
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Old 09-18-13, 02:51 PM
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The receptacle will be a nema 14-50. Best to run large loads from the main panel.
 
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Old 09-18-13, 08:00 PM
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Thanks thats the one i had purchased... Im curious as to why the new wire at the stores has a thicker ground and why the ground was insulated if anyone can clarify. Im new to the forum and you guys really helped me out with the quick replies greatly appreciated
 
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Old 09-18-13, 08:36 PM
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NonMetallic-b always has a bare one size smaller than ground. Sure you weren't looking at metallic cable instead of non metallic? Some types of MC cable have an insulated ground.
 
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