Double-track device duct base, with two differently sized cable runs separated by a separating profile with cable feed-through openings, with a continuous receiving profile in the upper and lower cable runs for inclusion in the equipotential bonding using equipotential bonding bridge GPB 63-2, continuous notches as a drilling aid in the duct back for mounting on a wall or bracket, positive connection at the duct joints with coupling pins GKGS 4, device installation in the cable run with a snap-in device box, for installation programs with 80 mm cover frame and 60 mm fastening track, device installation without perforated panels, including 3 cable retaining clips GKF... for 78 mm and 38 mm cover openings, each 2 m delivery length, accessories for the equipotential bonding must be ordered separately. VDE certified! Dimensions (approx. dimensions) H x D : 170 x 80 mm Lid opening : 78 mm + 38 mm Pitch of the cable runs : 105 mm + 65 mm Surface : natural anodized Delivery length L : 2000 mm Usable cross section of upper cable run : 7220 mm² Usable cross section of lower cable run : 4316 mm² Material : aluminum