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Applying the “Rounding Up” Rule

Jeffrey Sargent

click to enlarge Overcurrent protection
of conductors is a critical element of electrical system safety. The general approach is to use a protective device having a continuous current rating or setting
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Code Topic for May: Overcurrent Protection

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Where to Find Luminaires in the Code

 Cracking the Code
Q. Can 14-2 wire be used for the switch leg of a light fixture where the branch circuit is protected by a 20-amp circuit breaker? If this is prohibited by the Code, why can 15-amp switches and receptacles be used on 20-ampere circuits?
Answer
 

 Fast Fact
In 1881, Thomas Edison wrote a letter to the National Board of Fire Underwriters, original publisher of the NEC®, stating that electricity is “absolutely free from any possible danger from fire, even in connection with the most inflammable material.”
 

 Code Check
True or False: An acceptable location for overcurrent devices is within an easily-accessible clothes closet.
 
    Answer  

 Around the Circuit
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