Solar combiner box questions
I'm looking for a solar panel combiner box for the RV's roof. I'm going to start with 2 panels with the option to add 2 more if needed. I've seen some that are stupid expensive and some that aren'...
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All right, I'll try this again. Between the RVnet server, Photobucket's code, and then using the special built photo posting app, it is getting ridiculous to post pictures on this Forum.
DIY combiner box made from 2" PVC LB and recycled terminal strips from discarded load centers:
Click For Full-Size Image.
MC4 wires from panel enter this water resistant box entry and a dab of sealant was added after termination.
Click For Full-Size Image.
I used 4 AWG from combiner to controller. It is piped down 2" conduit to a sidewall entrance close to the controller. I know most won't do it this way but I'm an amp squeezer and it was the most efficient way for me. A user could pull the wire through the roof, making sure the roof entrance is totally sealed. I later painted the conduit and none of it has ever leaked one drop.
Click For Full-Size Image.
Click For Full-Size Image.
DIY combiner box made from 2" PVC LB and recycled terminal strips from discarded load centers:
MC4 wires from panel enter this water resistant box entry and a dab of sealant was added after termination.
I used 4 AWG from combiner to controller. It is piped down 2" conduit to a sidewall entrance close to the controller. I know most won't do it this way but I'm an amp squeezer and it was the most efficient way for me. A user could pull the wire through the roof, making sure the roof entrance is totally sealed. I later painted the conduit and none of it has ever leaked one drop.
