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View Diary: Maui's Dirty Little Secret (94 comments)

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  •  The low voltage DC electricity (1+ / 0-)
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    from a PV panel should pose no hazard. I test connectivity on mine by touching one bare wire to my tongue while holding the other. For a single panel - wouldn't do that with the whole array! Some run their arrays at higher voltages but I don't think it is a real issue.

    Water on a hot panel could shatter the glass, but the same is true of a window.

    Batteries in a stand-alone system could be an issue, but generally I don't think firefighters have to consider any special precautions when faced with a house using solar energy. Your house is full of wiring and all sorts of toxic when burned substances anyway.

    •  Such new stuff. The info has not had a chance (0+ / 0-)

      to filter down to me. Thanks.

      Now they have the 2nd (safety net for sloppy) Amendment, and can't be infringed to actually treat their gun like a gun and not a video game controller.

      by 88kathy on Sat Feb 15, 2014 at 05:50:10 PM PST

      [ Parent ]

    •  True - on the rooftop panels (1+ / 0-)
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      the voltage is low.  But on a battery backed up system the house wires can still be energized to 110 volts by the inverter.

      I think that PV panels would pose far less risk of shattering from heat differential than a hotwater solar collector or a window.  So I'm not seeing how a PV system would pose any additional risk in a fire.

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