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NICET 3 Troubleshooting Question and answers already passed 2025/2026
NICET 3 Troubleshooting Question and answers already passed 2025/2026 
 
Fire alarm systems may suffer from "ghost" malfunctions that may or may not be intermittent. This usually means the field wiring may be too close to a _____________ ________ caused by an alternating current. - correct answer magnetic field. 
 
In order to diagnose and repair the systems, it is imperative that you have knowledge of the following: (Select all that apply) 
 
A.Electrical theory. 
B. The operation of th...