Re: [RE-wrenches] NEC 690.64 (B) (2)

2010-12-07 Thread David Brearley
Actually, the article ³Can We Land² by Ryan LeBlanc and Tarn Yates probably has the best discussion of 690.64(B)(2) issues in particular: http://solarprofessional.com/article/?file=SP2_4_pg24_LeBlanc&search= Diagrams 2a & bm for example, should compliment the calculations in the Hamon article. D

Re: [RE-wrenches] NEC 690.64 (B) (2)

2010-12-07 Thread David Brearley
ber 07, 2010 5:51 AM > To: re-wrenches@lists.re-wrenches.org > Subject: [RE-wrenches] NEC 690.64 (B) (2) > > Wrenches, > How do you apply NEC 690.64 (B) (2) when you have multiple single phase > inverters distributed across the 3 phases of an electric-panel via 2 pole > breaker

Re: [RE-wrenches] NEC 690.64 (B) (2)

2010-12-07 Thread Glenn Burt
: Tuesday, December 07, 2010 5:51 AM To: re-wrenches@lists.re-wrenches.org Subject: [RE-wrenches] NEC 690.64 (B) (2) Wrenches, How do you apply NEC 690.64 (B) (2) when you have multiple single phase inverters distributed across the 3 phases of an electric-panel via 2 pole breakers? Do you

[RE-wrenches] NEC 690.64 (B) (2)

2010-12-07 Thread Al Frishman
Wrenches, How do you apply NEC 690.64 (B) (2) when you have multiple single phase inverters distributed across the 3 phases of an electric-panel via 2 pole breakers? Do you simply add up the total of all over-current devices feeding the panel (Inverter 2-pole breakers and main breaker) or