One foot of slack shall be left at each strain relief hook to insure proper loading of the hooks. Cat 6A cable will have enough slack to reach anywhere in. The excess is called a service loop and also called service slack, and we will use the terms interchangeably. Note that fiber optic cable and coaxial cable will typically follow similar rules for excess cable. What is a service loop in wiring? Service loops are excess cable (slack) that is designed. Pull string shall be left in conduits, cable trays and cable hooks, after initial cable installation, to allow for future cabling needs. Adjust for temperature change, sag, and terminations safely. See totals instantly, then download files for records today. Sets a base planning slack percentage. Affects. Installation of Cable in Cable Trays involves precise routing on support systems, NEC/IEC compliance, grounding, ampacity derating, bend radius control, segregation of services, fire safety, labeling, and reliable cable management for industrial and commercial facilities. Cable tray systems design shall comply with NEC Article 392, NEMA VE 1, and NEMA FG 1 and follow safe work practices as described in NFPA 70E.
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