Forum Discussion
CharlesinGA
Jan 07, 2019Explorer
pianotuna wrote:
myredracer,
I'm sure you know plug in devices are exempt. That means all RV's are exempt from code, too.
Not true in the US, where the NEC, article 551 DOES apply to the RV itself.
"551.1 Scope. The provisions of this article cover the electrical conductors and equipment other than low-voltage and automotive vehicle circuits or extensions thereof, installed within or on recreational vehicles, the conductors that connect recreational vehicles to a supply of electricity, and the installation of equipment and devices related to electrical installations within a recreational vehicle park."
I cannot find in this article, any mention of "continuous load" however the def of this in Article 100 is "Continuous Load. A load where the maximum current is expected to continue for 3 hours or more." and is a very good rule of thumb. Electric heating, either air or water, is defined in other articles as Continuous. A continuous load must be limited to 80% of circuit capacity.
Charles
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