Standard:
DIN 57891-7 VDE 0891-7:1984-03Use of cables and insulated wires for telecommunication systems and information processing systems Special direction for cables with stranded conducters, for increased mechanical stress |
Standard:
DIN 57891-8 VDE 0891-8:1983-07Use of cables and insulated wires for telecommunication systems and information processing systems Special direction for self supporting telecommunication aerial cables on overhead power lines above 1 kV |
Standard:
DIN 57891-4 VDE 0891-4:1981-12Use of cables and insulated wires for telecommunication systems and information processing systems Special guiding principles for cords |