Chapter 3 of 712% of exam
Wire/Cable Installation and Termination
Install and support pathways, pull without damage, terminate with the right tools and keep every cable labeled. CSLB weights this section at 12%. For worked examples, named traps and a full practice exam at CSLB's weights, see the PrepPass C-7 Low Voltage Systems study guide.
Placement
Tension, bend radius and support rules protect the cable's performance.
Tension
25 pounds maximum on four-pair copper, monitored.
UFGS 27 10 00 (2025), para. 3.4.2Bend radius
UTP 4 × diameter; fiber 20 × pulling, 10 × installed.
UFGS 27 10 00 (2025), para. 3.4.2J-hooks
4 to 5 feet apart, 20 cables maximum, attached to structure.
UFGS 27 10 00 (2025), para. 3.3.4Termination and labeling
IDC tools, minimal untwist, printed labels at both ends.
Untwist
No more than 1/2 inch at the termination.
UFGS 27 10 00 (2025), para. 3.4.2Labels
Mechanically printed, To/From at both ends; handwritten labels unacceptable.
UFGS 27 10 00 (2025), para. 3.8Shared boxes
Class 2 and 3 conductors stay out of power boxes and raceways without a barrier.
Cal. Code Regs. tit. 8 §2585.3