NEC Changes for 2023

[tom baker]

Good article by Mark Early in the Feb 22 Electrical Contractor Magazine on changes ahead in the 2023 NEC, the issue is not published on line yet.
A new limit was established for DC systems at 1,500 VDC. There are new articles for services and feeders over 1,000 volts. Article 369 is for Insulated Bus Pipe/tubular Covered Conductors, be interesting to see that. New article on Cannabis Oil Equipment. Article 724 has the Class 1 circuits moved from Art 725.
The 2023 NEC typically is available in Sept 2022.
I find that EC Magazine has good articles reviewing the changes ahead of time. IAEI used to have articles as well

 

[SSDriver]

I heard they might also be coming out with a Class 4 power limited circuits.

 

[SSDriver]

I also read they were proposing 10 amp circuits and 16 awg wire for lighting loads.

 

[tom baker]

Art 720 is being deleted, its the shortest article in the NEC, so won't compensate much for the other newer longer articles. I used to keep track of page count in the NEC over the years. Worked OK until the 2023 when the NFPA went to smaller font and thinner paper.

 

[shortcircuit2]

Ground-Fault on 277/480 volt services is being lowered to 800-amps