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45 Cards in this Set
- Front
- Back
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street boxes are indicative of a _ system
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public fire reporting
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failures of a power supply or a wiring fault are indicated by a _ signal
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trouble
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codes and standards usually contain _ requirements
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minimum
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opens and grounds result in a _ signal
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trouble
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where an engine driven generator is used to provide secondary power, a minimum of _ hours of batteries are required
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4
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which of the following devices will detect light energy
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radiant energy detector
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wall mounted spot-type smoke detector are installed so that the top of the detector is _
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4-12 inches from the ceiling
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manual fire alarm boxes must be mounted no higher than _ inches for front reach applications
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48
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which of the following is an audible textual appliance
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speaker
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fire alarm cables are permitted to be strapped to other conduits
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false
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according to NFPA 72, how many water-flow alarm-initiating devices may be connected to an initiating device circuit
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5
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which of the following is least likely to require an emergency voice/alarm communications system
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mercantile
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emergency voice/alarm communications systems use
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speakers
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which of the following is most likely to be found in fire alarm specifications
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type of equipment used
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which of the following are usually found on shop drawings
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all of the above
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Acoustic sensors detect glass-break frequencies, they cannot detect _ glass
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plexi
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shock sensors will detect _, but will reduce sensor range up to 50%
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plexi-glass
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_ glass shatters into thousands of tiny pieces
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tempered
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the range of an AP 750 motion sensor is _ feet
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50
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the type of lens pattern needed on a PIR to protect areas under skylights or near roof entries is a _ lens
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curtains
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the best location when installing a silent panic switch in a walk-in freezer is a point between the floor and _ inches below the door knob
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4
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to protect doors and windows where drilling holes is desirable, such as thin-frame windows or on sliding glass doors, a Sentrol _ series switch is used
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1035
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a Kiss Off Tone is generated from _
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central station receiver
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the _ monitors the environment and trips when the radiant heat energy of an intruder is detected
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PIR
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the maximum number of conductors permitted in following box is _
(#6 AWG TW 4-inch x 1 1/2 inch square) |
4
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no conductors larger than _ AWG is recognized by the NEC to be installed in any standard box listed in table 314.16(A)
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6
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the minimum length (A) for the pull box shown in figure 4-5 is _ inches and the conductors will not be spliced
2" 2" 4" 4" |
32
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the maximum number of #16 AWG TFF fixture wires permitted in a 1 inch electrical nonmetallic tubing, Type ENT is _
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29
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the maximum number of #6 AWG THW copper conductors permitted in a 1-inch EMT is
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4
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the maximum number of #12 AWG THHN copper conductors that are permitted to be pulled directly through (without splice) in a 3/4 inch LB condulet installed in a run of 3/4 inch RMC is _
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16
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a continuous load is a load where the maximum current is expected to continue for _ hours or more
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three
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the lighting load for a one-story dwelling unit is 1700 square feet in size is _ VA
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5,100
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the lighting load for a two-story dwelling unit with outside dimensions measuring 60 feet x 125 feet is _ VA
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45,000
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a fixed appliance in a dwelling unit has a nameplate marking of 50 amps. the rating of the individual branch circuit required to supply this non-continuous appliance load is _ amperes
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50
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the minimum branch circuit rating for a range rated 8 3/4 kw shall not be less than _ amperes
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40
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the neutral feeder demand for household electric ranges is permitted to be _ percent of the feeder demand for the ungrounded conductors
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70
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a 24-unit apartment complex has a 10 kw range in each apartment and is supplied by 120/240 volt single-phase, the range feeder demand for this complex is _ VA
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39,000
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a four-plex multi-family dwelling has a 5 kw, 240 volt dryer installed in each unit. the feeder demand in VA for the dryers is _ VA
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20,000
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an appliance store has 32 feet of multi-outlet assembly. the load rating when all the outlet are to be used at the same time is _ VA
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5,760
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Article 517 in the NEC is made up of _ parts
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7
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which of the following determines what area of a health care facility provides normal or general patient care and what area provides critical patient care
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the governing body of the health care facility
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the conductors between the over-current devices protecting the circuit and the device best defines a _
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branch circuit
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feeder of electrical power systems are generally required to include an equipment grounding conductor
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true
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the size of an insulated copper equipment grounding conductor for a 30-ampere branch circuit serving a patient care location shall be not smaller than _ AWG copper
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10
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Rigid PVC conduit is permitted for branch circuits serving patient care locations
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false
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