What is the strict boundary of a standard diagnostic service call in an electrical contracting business?

An electrician is on a standard diagnostic service call and discovers the fault is in the customer's security camera wiring. The electrician should troubleshoot that low-voltage security wiring as part of the same diagnostic fee.

An electrician is dispatched to a residential property for a standard electrical diagnostic service call. Match each customer request or field situation with the appropriate action based on strict diagnostic scope boundaries.

An electrician is performing a standard diagnostic service call and traces a circuit issue directly to an unfamiliar, complex audio-visual (AV) control rack. Arrange the electrician's actions in the correct logical sequence to properly enforce diagnostic scope boundaries and manage the client's expectations.

An electrical contractor evaluates a liability claim resulting from an electrician who damaged a complex audio-visual rack while trying to fix it during a standard troubleshooting visit. The contractor determines the root cause of the incident was the electrician's failure to enforce strict diagnostic scope __________, which require technicians to stop at fault identification and refer the customer when encountering unfamiliar, low-voltage systems.

You are a new electrical contractor drafting a one-page 'Diagnostic Service Call Policy' that your technicians will carry on their clipboards. The policy must clearly communicate three rules to both the technician and the customer: (1) what the diagnostic fee does and does not cover, (2) how to handle requests involving data, security, or audio-visual wiring, and (3) what to do when the identified fault falls outside the technician's license or skill set. Which of the following draft policy statements best synthesizes all three rules into a complete, professional, and accurate field policy?