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11:27 Dec 8, 2003
English to Russian translations [PRO] Tech/Engineering / cables
English term or phrase:lay factor
Can also be called "cable installation twisting factor"
Conductor resistance (Rdc) is calculated at the maximum conductor
temperature based on uncoated copper. For round cables, derivation of the conductor
resistance must include corrections for the length of the wire. The twisting of the cable
conductors effectively increases the actual length in the cable. To compensate, the conductor
resistance is increased by 2%. This inflation is incorporated into a cable LAY FACTOR (LF). The
twisting length increase does not apply to flat cables where the lay factor is 1.