Did you know that the best way to get power from your portable generator to your house circuit is to install a manual transfer switch to your house panel. Then you will have a safe and E-Z way to get power to the circuit you need without have cords going through doorway and down hallway
manual transfer switch
power cord size for generator & transfer sw.
portable generator size for your needs
this manual transfer switch is use for inside only (garage or other) the power cord go from the transfer switch out to the generator( always outside). you can use the rainproof inlet box as a J box to run the power from the generator though the power cord to the rainproof inlet box on the outside, then run wires from the box to the transfer switch inside.( use all nec codes)
rainproof power inlet box
how transfer switchs work
surge suppression
Soler power (P V)
Transient Voltage surge Suppression (TVSS) and Surge protective Device (SPD)