Nicet Level 1 Installing Questions And Answers With Verified Solutions

NICET LEVEL 1 INSTALLING QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS The maximum number of 14AWG wires that can be pulled straight through a 4" X 2 1/8" square trade size metal electrical box is? 15 (NFPA 70 Table 314.16(A)) What is the first process or step you must take when working on a panel supplied with 120VAC? Lock out and Tag out the power source If power supplies are located remotely from the FACP, where shall their locations be posted? Fire alarm control panel (NFPA 72 10.6.8.2) _______ 90 degree bends are permitted in an EMT run between boxes, fittings or termination points. 4 (Max is 360 degrees) (NEC 358.26) A run of EMT shall be fastened at least every _____ feet 10 (NEC 358.30) What is the maximum rated temperature in wet locations for THHN? 75 C (NEC) The smallest single conductor size for a power limited circuit is? 18 AWG (NEC 760.142) Wiring shall be installed in accordance with NEC articles: 760, 770 and 800 (NFPA 72 12.2.4) Smoke detectors shall not be installed during construction: If permitted by the AHJ for protection during construction (NFPA 72) What reference document should be used for safe work practices with live electrical conductors? NFPA 70E NEC states that PLFA wiring used splicing must be made In listed enclosures and boxes All tools used on a construction site are to be covered under the regulations of OSHA. True What is the maximum rated temperature in dry locations for THHN? 90 C (NEC) When may conductors carrying different voltages be installed in the same conduit or raceway? When all conductors are insulated for the maximum voltage of any conductor in the conduit or raceway (NEC 300.3 (C)) When installing PLFA wiring with non-PLFA wiring in an enclosure, there must be an _____ inch separation between the different types of wiring. .25 Visual appliances in a corridor shall be rated at not less than ____ CD 15 The minimum conductor size than can be used on the load side of a power limited fire alarm (PLFA) circuit is ___ AWG when in a multiconductor cable. 26 (NEC Article 760) The color of an equipment grounding conductor is: A. Green B. Bare C. Green with yellow Stripes A, B and C (NFPA 70 Article 250) What is the maximum # of 12AWG conductors (THHN) that can be installed in a ½ inch EMT? 9 (NEC) What is the maximum # of 12AWG conductors (THHN) that can be installed in a ½ inch IMC? 14 (NEC) How do you measure for voltage with a multimeter? In parallel to the circuit EMT must be fastened securely at least ____ feet from a box, cabinet or termination 3 Line type heat detectors shall be located on the ceiling or sidewall not more than _____ inches from the ceiling: 20 If there are ten current carrying conductors in a conduit the allowable ampacity of each conductor must be reduced by ________ 50% (NEC Table 310.15(B)(2)(a)) How many #14 THHNs can be installed in a ¾" EMT conduit? 21 What section of NEC covers fire alarm wiring? Article 760 Of the following cables types, which may not be used as a power-limited riser cable? CL3 When reading for voltage with your digital multi meter, you need to: Connect your meter leads in parallel with the circuit When using you digital multimeter to read for current, use need to: Connect your meter leads in series with the circuit Which of the following classifications is considered the most dangerous? Class I, Division I How many #14 AWG THHN conductors can be installed in a ½" trade size EMT conduit? 12 (NEC) Duct smoke detectors require sample tube support holes for ducts more than ________ feet wide. 3 (NFPA 72 A.17.7.5.5.2(b) The minimum size of a Class 2 single conductor is? 18 AWG (NEC 725-51 Exception) You must securely fasten EMT _____ feet from any termination or box. 3 (NEC 358.30) What is the maximum size over-current device permitted on the line side of a PLFA power supply? 20 amps (NEC 760.127) Which of the following fire alarm components shall be connected to ground? Enclosure Which of the following is a heat detector where the sensing element is destroyed in the process of operation? Non-Restorable (Name says it all - device cannot be restored) Power limited alarm cables can be placed in the same box or raceway with. All of the above if separated by a barrier Smoke detectors can be recessed mounted if They are listed for such use A sign or placard located above a manual pull station stating "Local Alarm - Call the Fire Department if the Alarm Sounds" is only required when: The FACP is not monitored An auxiliary relays shall be located within ______ feet of the system being controlled. 3 (NFPA 72 21.2.4) When pulling #16 AWG THWN conductors through a 4 11/16" x 1 ¼" square box, the max number of conductors allowed is: 14 What is the minimum size copper equipment grounding conductor for a rated 20 amp branch circuit? 12 AWG (NEC 250 Table 250-122) What is the maximum allowable voltage on a Class 1 circuit? 30 volts (NEC 725-21(a)) Which of the following devices is not a good choice for the installation in an elevator lobby in a parking garage? Smoke Detector Which of the following components is NOT an acceptable method when using a non-metallic box? A metallic cover (NEC) How far are Class A conductors permitted to be installed in the same conduit if entering an initiating device? 10 feet (NFPA 72 12.3.7) The maximum VA (volt-amps) allowed for a PLFA DC power source is _____: 100 How many #16 THHN conductors are permitted in a 4 11/16" x 1 ¼" square box? 14 (NEC) Are raceways used for fire alarm cables required to be painted red? No (NEC) You come across a heat detector with a blue band. What would the fixed temperature setting be? High (NFPA 72 Table 17.6.2.1) In combination fire/burg systems, the technician must always remember what? B. Fire alarm signals take precedence over burg signals C. Fire alarm wiring must be in parallel Both B and C A fire alarm speaker strobe would be connected to which type of circuit? NAC (Notification Appliance Circuit) The polarity of the wires connected to which of the following is not mandatory? Tamper Switches When wiring up conventional 4-wire duct smoke detectors, how many cables are required for proper supervision of the circuit? (Excluding the power conductors) 4 (2 for alarm contacts and two to properly connect the EOL resistor through the trouble contacts. Make sure to always connect to the alarm contacts first) How many degrees of bends are allowed in a conduit run between junction points? 360 Class A circuits outgoing and return conductors are permitted to be ran in the same raceway under which of the following conditions. Select all that apply For a distance not to exceed 10 feet where the outgoing and return conductors enter or exit the initiating device, notification appliance, or control unit enclosure Which conduit body is not a 90 degree? C type You can have 5 ____ on a single circuit: Waterflow Switches Intrinsically safe means: Explosion proof A conduit brush and swap are used to: Clean the inside of conduit A class A circuit is permitted to be installed vertically in the same cable assembly, enclosure or raceway if: The vertical run conductors are installed in a 2 hour rated cable assembly or 2 hour rated enclosure The relay that is controlled by an addressable relay is known as: An Interposing Relay You can have 20 ____ on a single circuit: Tamper Switches