NM CID ES-3 Practice Questions - New Mexico CID ES-3 Low Voltage Special Systems (Under 50 Volts) Examination Exam

NEC 2020 725.144 addresses 4-pair Class 2/3 cables that transmit power and data (PoE). The installer must:

Ignore ampacity because all Class 2 sources are inherently unlimited in bundled trays Use Table 725.144 (and the cable temperature rating and bundle size) so conductor current stays within the permitted ampacity Replace all 4-pair cable with 600-volt THHN in the same bundle Mark the cable “NPLFA” and treat it as Article 760

Correct Answer:

Use Table 725.144 (and the cable temperature rating and bundle size) so conductor current stays within the permitted ampacity

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