Solar Panel Cables Through Roof

From the rooftop combiner box i ran 4 awg wire into the trailer through a hole cut in the roof through the microwave compartment down along the side of the refrigerator and into the area where the solar controller would be mounted.

Solar panel cables through roof.

Higher working temperatures cause an increase in the cable s resistance which in turn leads to a voltage drop increase and decrease in maximum current which this cable is capable of sustaining. Inside microwave compartment where wires enter trailer from roof top running wires inside. Run the cables through the roof access the next step is to run the solar or antenna cables into the rv through the new access hole. The solar panels installed on your home are american made and come with a 25 year warranty with many panels expected to last well beyond that.

I m concerned that they will move around when the wind gusts in the wrong direction we re on top of a hill in northumberland and the winds can be extreme. 2x double clamping blocks for solar panel fixing 2x mounting profile connector 2x expansion joints for solar panel connection with mounting. The main concern is that the cables connecting the panels loop down and rest on the slate roof under the panels and can move around quite a lot. Have in mind when cable interconnects solar modules on an open rack it may experience temperatures of 61 70 c 141 158 f.