Working sample questions on an electrician test and need help ARTICLE 220.55 2008 NEC

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bford

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Working these questions on a practice test and need help understanding article 220.55 of the 2008 NEC.

Question 1: For the purpose of computing neutral demand, a 15kW range would add what?
How would I come up with this answer?


Question 2: A ten unit apartment building has a 4 kW dryer in each apartment. What would be the MINIMUM neutral demand on the service of this building?
Again, article 220.55 is where the answer is, but I need help understanding it.

I'd appreciate any help. Thank you.
 

Little Bill

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Location
Tennessee NEC:2017
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Semi-Retired Electrician
Working these questions on a practice test and need help understanding article 220.55 of the 2008 NEC.

Question 1: For the purpose of computing neutral demand, a 15kW range would add what?
How would I come up with this answer?


Question 2: A ten unit apartment building has a 4 kW dryer in each apartment. What would be the MINIMUM neutral demand on the service of this building?
Again, article 220.55 is where the answer is, but I need help understanding it.

I'd appreciate any help. Thank you.

Read 220.61 and see if that helps.
 
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