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14gauge pigtail to ground a junction box in 20 amp circuit

14gauge pigtail to ground a junction box in 20 amp circuit


  #1  
Old 10-14-15, 05:46 PM
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14gauge pigtail to ground a junction box in 20 amp circuit

The title almost says it all. I did a small wiring job for neighbor, in a way sadly, because he was an electrician but, at age 87, arthritis and vision problems have rendered him not able to crawl around in his attic. Anyway, I just added a fixture by way of a junction box in his attic. It was a 20 amp circuit, and I noticed he had a 14 gauge pigtail wire nutted to the 12 gauge grounds. I asked him about it, and he said "we did that all the time". The 14gauge pigtail was connecting the metal junction box to the grounds.
Is this cause for concern? As always, thanks in advance.
 
  #2  
Old 10-14-15, 06:07 PM
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It isn't exactly kosher because the NEC states that equipment grounding conductors for 15, 20 and 30 ampere circuits shall be #14, #12 and #10 respectfully. Only when the circuit Ampacity exceeds 30 amperes are reduced size conductors used for equipment grounding.

As a practical matter, I don't think it is anything to get excited over.
 
  #3  
Old 10-14-15, 10:35 PM
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I agree with Furd, not compliant but wouldn't worry about it either.
 
  #4  
Old 10-15-15, 06:23 AM
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I'm glad that there is not cause for worry.
As always, thanks for the replies.
 
  #5  
Old 10-15-15, 06:46 AM
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Maybe the same question, not sure. But, is 14AWG good for a 15 amp recept ground pigtail on a 20A breakered circuit?
 
  #6  
Old 10-15-15, 07:16 AM
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I wouldn't think so per the letter of NEC. The EGC size is dictated by the ampacity of largest hot conductor, not the device or load it serves. In practice I can't see how it could be a problem though.
 
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Old 10-15-15, 10:05 AM
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Any pigtails for the hot and neutral should be sized for the breaker size.
 
 

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