Overcurrent devices

[jim1982]

The question has been asked of me on different occasions lately, "Why does Article 408.15 of the 2002 NEC specify not more than 42 overcurrent devices."

 

[iwire]

Re: Overcurrent devices

Well it divides by 2 or 3 so it has that going for it.

[ January 16, 2005, 10:19 PM: Message edited by: iwire ]

 

[charlie]

Re: Overcurrent devices

I have heard the answer to that but I no longer remember. I seem to recall that it has something to do with the number of circuits and fires.

 

[canman]

Re: Overcurrent devices

From the electrical slang website. Lighting panels were restricted to 42 circuits as a result of a 1928 fire at the Waldorf Astoria.Electrical apparatus of the time could safely handle 42 circuits,this according to Anthony Montuori,Chief Inspector for the NY Board of Fire Underwriters