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C 7 Low Voltage Systems

According to the CSLB, a “low voltage contractor installs, services and maintains all types of communication and low voltage systems which are energy limited and do not exceed 91 volts. These systems include, but are not limited to telephone systems, sound systems, cable television systems, closed-circuit video systems, satellite dish antennas, instrumentation and temperature controls, and low voltage landscape lighting. Low voltage fire alarm systems are specifically not included in this section.”

Requirements for Licensure

The California Contractors State License Board requires a minimum of four years journeyman-level experience in order to apply for a California Contractors license.

Low Voltage Exam (C-7)

The exam is a closed book exam and has approximately 100 questions that must be answered in 2.5 hours. The exams are given on a computer at one of the many testing centers throughout California. An appointment is needed and can be made once an application has been accepted.

Some of the topics covered in the exam include:

  • Job Planning & Design
  • Material Selection & Estimating
  • Wire/Cable Installation and Termination
  • Component Installation
  • Testing, Troubleshooting & Repair
  • Safety

How to Prepare for the Exam

Once the CSLB has approved your application, you will be informed of the testing date. We recommend that you give yourself plenty of time to prepare and study, preferably months. One of the most effective ways to prepare for the exam is by using the Peerless Low Voltage (C-7) Study Guide book. The book includes hundreds of pages of relevant content that is covered on the state exam and also loaded with close to a thousand multiple choice questions.