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<blockquote data-quote="Chewbacca" data-source="post: 329073" data-attributes="member: 22630"><p>commercial systems qualify for FITs, TBH AC side is fairly irrelevent once fitted. I can't think of any legal reasons to prevent you working on the AC apart from the usual competence etc etc. DC side is another matter. Commercial systems frequently work on 800V DC due to large strings of panels - nasty stuff! Some inverters can have DC fuses fitted, can't see SPD being any use on DC. The AC side is where I would be looking to fit such devices, before the inverter, to prevent grid spikes damaging the inverter itself.</p></blockquote><p></p>
[QUOTE="Chewbacca, post: 329073, member: 22630"] commercial systems qualify for FITs, TBH AC side is fairly irrelevent once fitted. I can't think of any legal reasons to prevent you working on the AC apart from the usual competence etc etc. DC side is another matter. Commercial systems frequently work on 800V DC due to large strings of panels - nasty stuff! Some inverters can have DC fuses fitted, can't see SPD being any use on DC. The AC side is where I would be looking to fit such devices, before the inverter, to prevent grid spikes damaging the inverter itself. [/QUOTE]
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