You should get a cord with #12 wire, especially if it will be longer than about 15 feet. A #14 cord will be rated at 15 amps, but will get warm, a #12 will be significantly safer.
Some of us use two cords 10-12 ft long. Use one if close to the power outlet, two if further away. The CI power inlet is generally on the far side from the power pedestal. Also, get an outlet adapter in case the pedestal doesn’t have a standard 15/20 amp plug.
You should get a cord with #12 wire, especially if it will be longer than about 15 feet. A #14 cord will be rated at 15 amps, but will get warm, a #12 will be significantly safer.