The special sleepers for joints can be supplied pre-assembled as a “joint span” consisting of:
n. 1 special crosspiece to support joints type “2VN G” with USP C
n. 2 special “VN GII” type cable traverses with USP B
n. 2 GII” glued insulating joints
n. 2 complete cable joint control devices of accessories
n. 1 special crosspiece to support joints type “2VN G” with USP C
n. 2 special “VN GII” type cable traverses with USP B
n. 2 GII” glued insulating joints
n. 2 complete cable joint control devices of accessories
The pre-assembled “joint spans” are available in the types RFI 230 and RFI 240; the type RFI 260 currently cannot be pre-assembled due to problems of space in truck transport.