Housing base 1-way with frame and cable entries AP W.1 polar white. Housing with frame AP, with one entry for 2 cables and one entry for cable or pipe, full-surface seal under the housing base to seal the rear of the housing, a Wago 2-wire connection terminal for wiring included, two snap-in locations for Wago 2-wire connection terminals in the housing base. The IP55 protection level is only achieved when mounted with a modular AP/UP insert from the W.1 product line.