Low Voltage Systems (C-7) Study Guide Book and Online Practice Exam + Law and Business Online Practice Exam

What’s included

• Learn the material: Low Voltage Systems (C-7) Study Guide Book
• Pass the test: Low Voltage Systems (C-7) Practice Exam
• Required for all California contractor applicants: Law & Business Practice Exam

What this covers

Per the state's classification, a C-7 contractor installs, maintains, tests, and repairs systems that use 91 volts or less, including telephone, data, video, intercom, alarm, and control wiring systems. This printed book covers the subjects the state tests. See the official CSLB C-7 classification.

Sample questions

1. FTTC stands for:
   A. Fiber to the current · B. Fiber to the circuit · ✓ C. Fiber to the curb · D. Fiber to the CATV
2. Why do you need Category 5e instead of Category 5?
   A. For greater strength for long pulls · B. To futureproof your network · C. For isolation in industrial networks · ✓ D. To run Gigabit Ethernet
3. Copper networks can be converted to fiber networks by using:
   A. Patch panels · ✓ B. Media converters · C. Rewiring · D. Fiber hubs
4. A convenient unit of measurement to compare the resistance and size of one conductor with another is the:
   ✓ A. ohm · B. mil-foot · C. wattage · D. voltage drop
5. A GFCI breaker or receptacle will open a circuit where there is a current leakage to ground fault of:
   A. .06 · ✓ B. .006 · C. .6 · D. .2
6. A megohmmeter is used to test insulation resistance because it provides a:
   ✓ A. higher potential than an ohmmeter · B. multiple path for resistance · C. convenient means of recording resistance · D. wide range of resistance taps
7. [Law & Business] A construction contract was written containing the following time estimates to complete the job. It would take 2 days to ready the construction site and then the job itself would be done in 2 phases. The first phase would take 10 days and the second would take 7 days, but these 2 phases could be at the same time. It would take one additional day at the end to clean up. How many days would it take to complete this project?
   A. 15 days · ✓ B. 13 days · C. 11 days · D. 7 days
8. [Law & Business] A contractor receives a notice from the Employment Development Department (EDD) that one of his former employees has filed a claim for Unemployment Insurance (UI) benefits against his reserve account. He/she may:
   A. call EDD within 5 days and protest · ✓ B. protest, in writing, within 10 days of the mailing date of the notice · C. protest, in writing, within 30 days of the mailing date · D. protest, in writing, within 45 days of the mailing date