California C-7 Low Voltage Systems Contractor Exam
Timed Exam Mode - Simulated Conditions
This exam certifies an individual's competency to install, service, and maintain low voltage systems in California, covering areas like telecommunications, data, and security systems.
What is the primary benefit of twisted pair cabling in low voltage systems?
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A
It is the cheapest option.
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B
It reduces electromagnetic interference
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C
It increases voltage capacity.
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D
It requires no shielding.
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