Conduits for telephone system shall be installed complete as indicated in drawings.
The wiring for each telephone outlet shall be carried out by the Ethiopian Telecommunication Authority. The Contractor shall liaise with ETA to verify that adequate concealed conduits have been included.
Telephone conduits shall be thermoplastic conduit for recessed installation.
152581 Television Antenna outlets with flat twin T.V cable inside thermoplastic conduits of 20mm diameter for recessed installation including junction boxes with cover and insulating caps.
152582 Television Antenna outlets with flat twin T.V cable inside rigid thermoplastic conduits of 20mm diameter for flush installation including junction boxes with cover and insulating caps.
152583 Television Antenna outlets with flat twin T.V cable inside rigid steel conduits of 20mm diameter for flush installation including junction boxes with cover and insulating caps.
