think the barcode is specific serial number for that panel but there will be a manufactures label (ratings etc) on the back
Also if its just one panel, removing it from the string is unlikely to cause problems -the inverter will have an acceptable range of voltage and current per string and you...
because there's two types... the ones you're familiar with shaped like this \ \ (perpendicular cutting edge that you flip) and others shaped like this / \ (opposing cutting edge like post 7850 and need changing on to different drum/disc) - I'm sure you can agree you don't treat both bladed...
Been through the process above and BT have supplied ducting chambers (every 100m, turns etc.) for us to install, about 600m, what the easiest way of installing the draw cord...?
Its 75mm duct roughly, short of dropping a stone tied to the end of the rope for each length is there a better way...
whys isn't it more common to have mashing machine and tumble drier upstairs? saves carrying everything down and back up again (leaving it on the stairs)