Practice Test Geeks(C7) California C7 Low Voltage Systems Contractor Certification Practice Test
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Electrical Codes & Safety Regulations Flashcards

7 cards from real C7 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Electrical Codes & Safety Regulations flashcards as text

  1. When installing a structured wiring system in a California residence, the minimum bend radius for Cat 6 unshielded twisted pair (UTP) cable is typically:

    Answer: 4 times the cable diameter

    TIA-568 standards, adopted by the NEC, require a minimum bend radius of 4 times the cable diameter for horizontal UTP cable during and after installation.

  2. A C7 contractor installs a nurse call system in a healthcare facility. Which code primarily governs patient care area wiring requirements?

    Answer: NFPA 70 Article 517

    NEC Article 517 specifically covers health care facilities, including patient care area wiring and low voltage systems such as nurse call.

  3. Which of the following is a violation under the NEC when routing low voltage cables?

    Answer: Running cables through a fire-rated wall without a firestop

    NEC Article 300.21 requires that penetrations through fire-rated assemblies be sealed with approved firestop materials to maintain the fire rating.

  4. The California Electrical Code is based on which national model code, with California-specific amendments?

    Answer: NFPA 70 (National Electrical Code)

    The California Electrical Code is the NFPA 70 (National Electrical Code) adopted with California-specific amendments by the California Building Standards Commission.

  5. Under Cal/OSHA regulations, what is the minimum required training for a C7 employee performing work within the limited approach boundary of energized electrical conductors?

    Answer: Qualified electrical worker training per Title 8, Section 2320.1

    Cal/OSHA Title 8, Section 2320.1 requires that workers within the limited approach boundary of energized parts be qualified electrical workers with specific training on electrical hazards.

  6. A low voltage system in a California commercial building must comply with which accessibility standard to ensure controls are reachable by persons with disabilities?

    Answer: ADA Standards for Accessible Design (and CBC Chapter 11B)

    The ADA Standards for Accessible Design, enforced in California through CBC Chapter 11B, require that low voltage controls such as thermostats, intercoms, and security panels be mounted within accessible reach ranges.

  7. Which NEC article governs the installation of optical fiber cables used in low voltage data systems?

    Answer: Article 770

    NEC Article 770 specifically covers optical fiber cables and raceways, including installation requirements, cable types, and plenum/riser ratings.