I wonder whether there is any difference between these 12 AWG wires below for connecting solar panels for portable use:
TEMCo $0.31 at 100' - https://www.amazon.com/gp/product/B0168YI1FW
GS Power $0.22 at 2x100' - https://www.amazon.com/gp/product/B074DN8532
Southwire $0.22 at 100' - https://www.amazon.com/Southwire-55671323-Primary-12-Gauge-100-Feet/dp/B003J65A98/
Speaker Wire $0.25 at 2x50' - https://www.amazon.com/dp/B071KHC6JY/
Thanks!
TEMCo $0.31 at 100' - https://www.amazon.com/gp/product/B0168YI1FW
GS Power $0.22 at 2x100' - https://www.amazon.com/gp/product/B074DN8532
Southwire $0.22 at 100' - https://www.amazon.com/Southwire-55671323-Primary-12-Gauge-100-Feet/dp/B003J65A98/
Speaker Wire $0.25 at 2x50' - https://www.amazon.com/dp/B071KHC6JY/
Thanks!