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Electrical
ESA Alarm Technician Certification
Wiring Methods & Installation Practices
Vérification des connaissances
Wiring Methods & Installation Practices
Vérification des connaissances
Vérification des connaissances
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Why must junction boxes containing fire alarm circuit conductors be labeled?
A
To meet electrical code color-coding rules
B
To satisfy ESA licensing renewal requirements
C
To allow technicians to identify circuit contents during service or modification without opening all boxes
D
Labels serve only an aesthetic function with no technical requirement
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