CSLB C-7 Low Voltage Systems (Trade Exam) exam topics — the 7 content areas by weight
The CSLB C-7 Low Voltage Systems (Trade Exam) exam is built from 7 weighted content areas. Focus your time where the weight is. Each area below links to a free study chapter and practice questions. These weights are how PrepPass has organized the material, not a figure published by the exam authority.
Job Planning and Design
18%Material Selection and Estimation
15%Wire/Cable Installation and Termination
12%Systems Configuration and Installation
16%Testing and Project Closeout
17%System Troubleshooting, Repairs, or Replacements
7%Safety
15%Ready to test yourself?
Drill 100+ free CSLB C-7 Low Voltage Systems (Trade Exam) practice questions across every content area, then sit a full timed mock exam — no signup required.
Content-area weights are PrepPass’s own organization of the material. Where CSLB C-7 Low Voltage Systems (Trade Exam) publishes an official outline, check it directly. Confirm current details with CSLB — C-7 study guide (13E-7). Study aid, not a substitute for the official material. Last updated: August 2026.