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Thank you, really appreciate all the help.

…good reminder! some lying around…to avoid! Know a man who stocks coloured services ducting as well as drain… Will need careful installation to avoid low spots where water might accumulate in case of ingress. Wonder what Utility engineers do? Maybe they reckon that water will generally find a...

Hello Binky, yes, serious shading, very serious to make us think about 220metres of cabling. Stu has sent interesting message, too. Thinking about duct and SWA. Also cable resistance for DC! Will stick strictly to manufacturer’s spec. Thank you for help!

Hello Stu, thank you for replying with plenty info. Have been hoping to find online ref. source(s) explaining arc issues as voltage increases (no luck yet). Inverted commas for “fun” seem most appropriate (not much fun for isolator contacts?). Bit of a juggling act to deal with String size...

Thank you for researching and replying, Binky. Not enough sun nearer house, according to PVGIS but we have not given up on the project, yet. Hope we could use 2core with Armour and glands as protective conductor, also hope to find cable with waterproof outer sheathing. There is still the...

Will need cable(s) to house from nearest barn roof 220metres distant. Area for 20 panels, initially. 10 additional panels might become feasible. Want more than 8kW. Think 12kW would be max. feasible with extended building (using panels now on sale). Expecting DC transmission, underground, but...