Where should communications wires and cables be located in relation to electric light or power conductors?

Prepare for the Arizona Contractor License – Low Voltage Communication Systems (CR-67) with questions and explanations. Boost your confidence and ace your exam!

The correct answer is that communications wires and cables should be located below electric light or power conductors. This positioning is essential for several reasons related to safety, performance, and code compliance.

Firstly, placing communication cables below electric power conductors helps to prevent electromagnetic interference (EMI) that can degrade the signals transmitted through the communication lines. Electric power conductors generate electromagnetic fields that can disrupt the operation of sensitive communication equipment if they are positioned too closely together.

Secondly, from a safety perspective, having communication wires below higher voltage power conductors minimizes the risk of accidental contact with live wires during installation, maintenance, or repairs. It is a general practice to maintain a safe clearance between different types of conductors to reduce the chances of electrical shock or fire hazards.

Lastly, building and electrical codes often specify the required separation distances and placement guidelines for different types of wiring to ensure a safe and effective installation. Adhering to these standards is crucial for compliance with local regulations and for the overall reliability of the wiring system.

Therefore, the appropriate and safest position for communication wires and cables relative to electric conductors is beneath them.

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