busbar overload with a GVFX-3648 is NOT a reality [RE-wrenches]

[Todd Cory, Mt. Shasta Energy Services]

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IMO reality needs to be considered. The sum of all sources can't exceed 
120% of the busbar rating (NEC 690.64b(2)) of the panel.120% of 200A is 
240A. With a 200A main breaker, you can also have up to a 40A inverter 
feed. A GVFX3648 is only capable of a continuous supply of 30 amps.

My math shows 30 amps as less than 40 amps... yes, it is fed with a 60 
amp breaker with a bi-directional current flow. 60 amp is load not 
supply. Supply  is 30.

The REALITY is a GVFX-3648 is INCAPABLE of damaging a 200 amp busbar in 
the highly unlikely event there were 230 amps flowing through it... so 
what the heck is the stink all about here???

Todd


Jeff Oldham wrote:

>Hey Wrenches, why do you have so much resistance to line taps placed between the meter and main breaker? This is so easy and cheap and takes very little time, although I don't care for them, there are even self-piercing taps that you don't even need to break any connections for or have a service disconnect to install.
>Personally, I would never down size a main breaker (and thus my customers service size) to get around the simple fix above.
>  
>


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