(the fixture that sits atop the post). Lanterns and posts usually sold separately.

These come in only a few styles: fluted, not fluted, with or without a crossbar. It's best to order posts from the same manufacturer as your lantern, to ensure that the finishes match.

You'll need enough UF-rated exterior wire to reach from inside the house to the post outside, plus an extra 9 feet to run up through the post. 12-gauge wire will suit both 15-and 20-amp circuits.

To meet code for burying wires undergorund, you'll need 3/4-inch "Schedule 40" PVC pipe. Get enough elbows and couplings to make any necessary turns coming out of the house, down to the trench, and up to the post from the ground.

to adhere the conduit together

to fill the bottom 6 inches of the posthole

Two 80-pound sacks should be enough to creat a 12-inch wide and 16-inch-deep footing.

to connect the wiring on the lantern. These are color coded by size; yellow should work for 12-gauge wires, but be sure to also check the range of sizes on the packaging.