An enclosure for an access point for attachment to a handrail includes a first half-shell including a first peripheral flange portion and a second half-shell including a second peripheral flange portion, the first half-shell and the second half-shell being attached together along the first peripheral flange portion and the second peripheral flange portion to form the enclosure; a mounting plate disposed within the enclosure, the mounting plate including a peripheral edge portion coextensive with the first and second peripheral flange portions, the peripheral edge portion including first and second sides opposed to the respective first and second peripheral flange portions; and a seal disposed along the first and second sides of the peripheral edge portion, the seal on the first side being sandwiched between the first peripheral flange portion and the first side, the seal on the second side being sandwiched between the second peripheral flange portion and the second side.