Solar panel terminal box
by Wired1, published
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Placed on the back of the solar panel this box gives you somewhere to connect your external wiring to each panel and add a diode etc as required.
I am currently experimenting with making my own solar panels as cheaply as possible and the commercially available terminal boxes are very expensive for what they are.
I have placed a number of hole options in this box and will revise the number and position of these as my solar panel project proceeds.
Uses 2 x 12mm long M4 machine screws for terminals and 1 x 20mm long M4 machine screw to hold the lid on.
Print it out.
Clear out the 4mm holes with a 4mm drill bit.
Fit three x M4 nuts in the central nut chamber (sounds like my workshop).
Fit 2 x 12mm long M4 machine screws and washers on the two outside holes for the terminal screws.
Fit the lid with a 20mm long M4 machine screw to hold it on.
I may change these machine screw sizes when it finishes printing, and I will probably make a larger version of this once I have worked out hw to make it all work.
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Solar panel terminal box by Wired1 is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alike license.
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