A gasketless ganging system includes an enclosure, including a first side, a second side; a first opening, and a second opening; a first ganging member disposed on the first side, including a third opening, a first channel, and a pair of first protrusions; and a second ganging member disposed on the second side, including a fourth opening, a second channel, and a pair of second protrusions. In some embodiments, the enclosure is a first enclosure and a second enclosure, wherein the first side of the first or second enclosure abuts the second side of the other of the first or second enclosure, to adjoin enclosures, wherein the pair of first protrusions abuts the pair of second protrusions to position the second channel within the first channel without contacting the first channel.