New Mexico Low Voltage Journeyman ES-3 Test | 95 Questions with 100% Correct Answers | Verified | Latest Update 2024
What is the minimum clearance to the edge of a wood stud for a wire hole? - 1 1/4 inches(NEC 300.4 A 1) What is the minimum separation between a class 1 fire alarm circuit conductor and a class 2 or class 3 circuit? - 1/4 inch A basic alarm system will have __ power sources. - 2 What is the minimum required clearance between a receiving antenna and 250 volt line not insulated? - 2 Feet The minimum clearance for an antenna to other conductors is? - 2 Feet (NEC 810.13) How far away must communications cables be from electric, light, or power conductors - 2 inches what is the maximum blink rate on a strobe light per second? - 2 (NFPA 72 18.5.2.1) On a voice alarm system what is the minimum number of cycles it has to report an evacuation procedure? - 2 (NFPA 72 24.4.1.2.1) What is the minimum required height for a propriety manual pull fire alarm? - 3 1/2 feet or 42 inches
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