allowable current carrying capacity chart of aluminium cables,tubes and busbarsas per indian standards?
just make sure they arent vulnerable to the wind and they arent getting wetalso you should put warm bedding in the carrier with themotherwise they should be perfectly fine
it would be a gamble of making them sick, they can't handle very cold or very hot tempsand especially when it's suddenly going from warm in your house to a chill of outside
my guinea pigs used to live outside year long.even through the winter, we just gave them a windproof shelter to live in.they seemed happy with that
