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thanks. I have the first document but not the short version. This project is in California so we are still using NEC 2005 and CEC 2007. I havent had a chance to get my hands on 2008. I have looked reviewed the first document but doesnt seem to address anything. The contractor I am doing the...

I understand what your trying to say. I looked through the code and cant seem to find anything. I checked 690 and 230. I just thought maybe someone ran into it before. I dont expect peoeple to do research on it for me. I am only asking people who maybe dealt with this situation. If they have...

The design calls for a photovoltaic system. The exterior of the house supports the service panelboard. The inverter will be located on the wall next to the panel on the house. The PV panels are located on the roof of the detached garage. The inverter has an integral DC disconnect. Does there...

I am currently doing a design for a 3kw system. I am using the SMA sunny boy SB3000 with integral disconnect. The disconnect has a termination for the equipment ground from the AC distribution panel located on the AC side. For DC there is a termination for the Frame of the PV array and a...

Thanks for the feedback. Either way I need to give a report on why it will work or not work. Does anyone know of this being documented before or examples of it. Below is from a consultant I am working with. This is what he knows of these type of systems: It is a well understood fact that there...

We are working with a client to design an efficent LEED building. Someone has suggested running a DC system for office equipment. This would include lights and laptops. Some receptacles would be located at various locations. The idea is to provide a transformer in a separate room and run a bus...