Double-track device duct base, with two equally 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 6 cable retaining clips GKF... each with a delivery length of 2 m, accessories for the equipotential bonding must be ordered separately. VDE certified! Dimensions (approx. dimensions) H x D : 220 x 80 mm Lid opening : 78 mm + 78 mm Surface : natural anodized Delivery length L : 2000 mm Usable cross-section upper cable run : 7540 mm² Usable cross-section lower cable run : 7540 mm² Material : aluminum