Florida Unlimited Exam
If the employees of an electrical contractor used scaffolding put up by the general contractor, and the scaffolding was not safe and not in accordance with the regulations, the electrical contractor would be cited for a violation, and be subject to the penalties of the law. a. True b. False
A. True
The top edge height of top guard rails on supported scaffolds manufactured or placed in service after January 1, 2000 shall be installed between ________ and __________ inches above the platform surface. A. 36, 45 B. 38,45 c. 38, 48 d. 45, 45
B. 38,45
What is the area of trade size 1 EMT? a. 1 sq in. b. 1.049 sq in. C. 0.864 sq in. d. 0.34 sq in.
C. 0.864 sq in.
On a caution sign what are the colors? a. green panel white lettering b. red panel with black lettering C. black panel with yellow lettering d. none of these
C. black panel with yellow lettering
Ground-fault protection of equipment shall be provided for solidly grounded wye electrical systems of more than 150 volts-to-ground. but not exceeding 1,000V phase-to-phase for each individual device used as a building or structure main disconnecting means rated ________or more, unless specifically exempted. a. 1,000A b. 1,500A c. 2,000A d. 2,500A
a. 1,000A
When connected to a branch circuit supplying two or more 15A receptacles, each receptacle shall not supply a total cord-and-plug-connected load in excess of _________. a. 12A b. 16A c. 20A d. 24A
a. 12A
NEC Calculations Section 60-75:Determine the minimum cubic inches required for two 10 TW passing through the box, four No. 14s terminating. a. 13 cubic inches b. 20.25 cubic inches c. 15.75 cubic inches d. 10.25 cubic inches
a. 13 cubic inches
A junction box contains two trade size 2 1/2 raceways on the left side and one trade size 2 1/2 raceway on the right side The conductors from one trade size 2 1/2 raceway (on the left wall) are pulled through the raceway on the right wall. The other trade size 2 1/2 raceway conductors (on the left wall) are pulled through a trade size 2 1/2 raceway at the bottom of the pull box. What is the minimum distance between the raceways that contain the same conductors? a. 15 in. b. 18 in. c. 21 in. d. 24 in.
a. 15 in.
Maximum permissible noise exposure is ________hours at 97 dBA slow response. a. 3 b. 4 c. 6 d. 8
a. 3
What is the angle of a 15 foot deep trench in type "C" soil? a. 34 degrees b. 45 degrees c. 51 degrees d. 54 degrees
a. 34 degrees
Receptacles on a two-wire, single-phase portable or vehicle-mounted generator rated not more than _____kW, where the circuit conductors of the generator are insulated from the generator conductors of the generator are insulated from the generator frame and all other grounded surfaces, need not be protected with ground-fault circuit interrupters. a. 5 b. 10 c. 15 d. 20
a. 5
Every open-sided floor or platform ____________ feet or more above a lower level shall be guarded by a guardrail, safety net, or personal fall arrest. a. 6 b. 7 c. 8 d. 9
a. 6
Material stored inside buildings under contraction shall not be placed within ________ feet of any hoistway or inside floor openings, nor within _______ feet of an exterior wall which does not extend above the top of the material stored. a. 6,10 b. 10, 6 c. 20,20 d. 25, 25
a. 6,10
If the personnel hoist wire rope speed is 300 feet per minute, the minimum rope safety factor must be _______. a. 9.20 C. 10.00 b. 9.50 d. 10.25
a. 9.20
According to CFR regulations, transfers shall not be driven into very hard or brittle material. a. True b. False
a. True
According to OSHA, occupants must keep all parts of the body inside the platform during raising, lowering, and positioning. This provision does not apply to an occupant of the platform performing the duties of a signal person. a. True b. False
a. True
For community antenna television and radio distribution systems, where the building or structure served has no intersystem bonding termination, the bonding conductor or grounding electrode conductor can be connected to the power service accessible means external to enclosures using the options identified in 250.94(A) Ex. a. True b. False
a. True
For grounded systems, normally noncurrent-carrying conductive materials enclosing electrical conductors or equipment shall be connected to earth so as to limit the voltage-to-ground on these materials. a. True b. False
a. True
Health and sanitation requirements for drinking water are covered under the provisions of this regulation. a. True b. False
a. True
If the projects warrants it, the employer must provide a trained and equipped firefighting organization (Fire Brigade) to assure adequate protection to life. a. True b. False
a. True
A means external to enclosures for connecting intersystem ___________ conductors shall be provide at the service equipment or metering equipment enclosure and disconnecting means of buildings or structures supplied by a feeder. a. bonding b. ungrounded c. secondary d. a and b
a. bonding
Powder-actuated tools must be tested __________before loading to see that safety devices are in the proper working condition. a. daily b. every second day c. weekly d. bi-weekly
a. daily
The minimum illumination in foot-candles for general construction area lighting is _______. a. five b. ten c. twenty d. thirty
a. five
The CFR requirement for safety belts is that, should a safety belt actually be subjected to in-service loading, as distinguished from a static load testing, the safety belt shall be ____________. a. immediately removed from service and not be used again for employee safeguarding. b. checked by the manufacturer and recertified. c. returned to UL Laboratories for testing d. checked for damage before using again
a. immediately removed from service and not be used again for employee safeguarding.
Open motors having commutators or collector rings shall be located or protected so that sparks cannot reach adjacent combustible material. This shall not prohibit the installation of these motors __________. a. on wooden floors b. over combustible fiber c. under combustible material d. none of these
a. on wooden floors
a. through-wiring b. wet locations C. Class 1, Division 1 locations d. b and c
a. through-wiring
Employees engaged in site clearing shall be protected from hazards of irritant and toxic plants. A designated employee shall be suitably instructed in the first aid treatment available. a. True b. False
a. true
Wire rope on hoists shall be taken out of service when wear of one-third the original diameter of outside wires exists. a. True b. False
a. true
The predominant color of caution signs shall be _______. a. yellow b. red c. orange d. black
a. yellow
When the daily noise exposure is composed of ________ or more periods of noise exposure of different levels, their combined effect should be considered, rather than the individual effect of each. a. two b. three c. four d. five
a.two
What is the cross-sectional area of a 12 HW with outer cover? a. 0.0278 sq in. b. 0.0353 sq in. c. 0.0172 sq in. d. 0.0251 sq in.
b. 0.0353 sq in.
The nominal inside diameter of trade size 1 EMT is ________in. a. 1.00 b. 1.049 c. 0.86 d. 0.34
b. 1.049
Wire rope shall not be used, if in any length of eight diameters, the total number of visible broken wire exceeds _______ percent of the total number of wires, or if the rope shows other signs of excessive wear, corrosion, or defect. a. 5 b. 10 c. 25 d. 50
b. 10
NEC Calculations Section 60-75:A 2-ohm resistor and a 20-ohm lamp are connected in series with another 1-ohm resistor. If the voltage drop across the 1-ohm resistor is 5 volts, the source voltage would be equal to ________. a. 560V b. 115V c. 110V d. 150V
b. 115v
A junction box contains two trade size 2 1/2 raceways on the left side and one trade size 2 1/2 raceway on the right side. The conductors from one trade size 2 1/2 raceway (on the left wall) are pulled through the raceway on the right wall The other trade size 2 1/2 raceway conductors (on the left wall) are pulled through a trade size 2 1/2 raceway at the bottom of the pull box. What is the minimum distance from the left wall to the right wall? a. 18 in. b. 20 in. c. 21 in. d. 24 in.
b. 20 in.
Guardrail systems shall be capable of withstanding, without failure, a force of at least ____pounds applied within 2 inches failure, a force of at least _____ pounds applied within 2 inches of the top edge, in any point along the top edge. a. 175 b. 200 c. 225 d. 250
b. 200
There shall be a minimum of one _____ branch circuit for the laundry outlet(s) required by 210.52(F) a. 15A b. 20A c. 30A d. b and c
b. 20A
Grounding-type GFCI-protected receptacles that provide power for water-pump motors related to the circulation and sanitation system of a pool shall be located not less than _______ ft from the inside walls of the pool. a. 3 b. 6 c. 8 d. 12
b. 6
Whenever employees are working over or near water, ring buoys with at least ________ feet of line shall be provided and readily available for emergency rescue operations. a. 60 b. 90 c. 120 d. 150
b. 90
Personal protection against the effects of noise exposure must be provided when the sound levels exceed those shown in Table ________. a. D-1 b. D-2 c. D-3 d. D-4
b. D-2
Which of the following safety signs has red as the predominating color for the upper panel; black outline of the borders; and a white lower panel for additional sign wording. a. Barricades b. Danger signs c.Traffic signs d. Caution signs
b. Danger signs
Any employee may operate a powder-actuated tool. a. True b. False
b. False
Arrangement made by the prime contractor with another party to handle obligations that are of a job site nature relieves the prime contractor of the overall responsibility for compliance with regulations pertaining to the obligations addressed by these arrangements. a. True b. False
b. False
Danger signs shall be used only to warn against potential hazards, or to caution against unsafe practice. a. True b. False
b. False
It is the responsibility of the employee to take advantage of the safety and health training programs provided by the Secretary. a. True b. False
b. False
Safety nets shall be permitted to be installed as close as practicable under the walking surface on which the employees are working up to 35 feet. a. True b. False
b. False
_______ service flexible cords No. 12 or larger may be repaired if spliced so that the splice retains the insulation, outer sheath properties, and usage characteristics of the cord being spliced. a. Light b. Hard c. Medium d. none of these
b. Hard
Is it permissible for an employee to work in an environment with noise exposure of 97 BA for 1 hour, then 100 BA for one-half hour, and then 90 BA for 4 hours? a. Yes b. No
b. No
How many 14 AWG conductors can be pulled through a 4 x11/2 square box with a plaster ring marked 3.60 cu in.? The box already contains two duplex receptacles, five 14 AWG conductors, and two grounding conductors. a. One conductor b. Two conductors. c. Three conductors d. Four conductors.
b. Two conductors.
According to OSHA, as of 1998 ________will not be approved for safety equipment. a. work gloves b. body belts c. goggles d. harnesses
b. body belts
The responsibility to initiate and maintain accident prevention programs lies with the ________. a. employee b. employer c. contractor d. subcontractor
b. employer
Where it is impractical to place cylinders used for gas welding and cutting far enough away from the actual welding or cutting operation so that sparks, hot slag, or flame will not reach them, _______ shields shall be provided. a. metal b. fire retardant C. glass d. fire resistant
b. fire retardant
The minimum illumination in foot-candles for the indoor corridors of construction areas is ______. a. three b. five c. ten d. thirty
b. five
According to the Code, "automatic" is performing a function without the necessity of _______. a. protection from damage b. human intervention c. mechanical linkage d. all of these
b. human intervention
Listed, labeled, or certified equipment shall be installed and used in accordance with _______ included in the listing, labeling, or certification. a. general practices b. instructions C. a and b d. none of these
b. instructions
Luminaries designed for end-to-end assembly, or luminaries connected together by ________ ,can contain a 2-wire branch circuit, or one multiwire branch circuit, supplying the connected luminaries One additional 2-wire branch circuit separately supplying one or more of the connected luminaries is permitted. a. rigid metal conduit b. recognized wiring methods c. flexible wiring methods d. EMT
b. recognized wiring methods
CATV coaxial cable can be placed in a raceway, compartment, outlet box, or junction box with the conductors of light or power circuits, or class 1 circuits when _________. a. installed in rigid metal conduit b. separated by a permanent barrier c. insulated d. none of these
b. separated by a permanent barrier
The minimum illumination in foot-candles for general construction plants and shops is _______. a. five b. ten c. twenty d. thirty
b. ten
The ______ shall use either ground-fault circuit interrupters, or an assured equipment grounding conductor program as specified in Subpart K of the CF to provide protection on construction sites. a. electrical equipment b. employer c. employees d. all of these
b.employer
NEC Calculations Section 60-75:The ac resistance for 1,000 feet of 4/0 AWG aluminum conductor in a steel raceway is __________ohms. a. 0.063 b. 10.0 c. 0.10 d. 0.11
c. 0.10
The CFR requires that when materials are dropped more than ___________ feet outside the exterior walls of a building that an enclosed chute be used. a. 10 b. 15 c. 20 d. 25
c. 20
Safety nets shall be provided when workplaces are more than _______ feet above the ground or water surface. a. 15 b. 20 c. 25 d. 30
c. 25
Scaffolds shall be capable of supporting without failure, its own weight at least _______ times the maximum load. a. 2 b. 10 c. 4 d. 3
c. 4
On construction jobsites where there are 20 or more employees, one toilet seat and one urinal for every ________ workers must be provided. a. 10 b. 20 c. 40 d. 50
c. 40
Lifelines shall be secured above the point of operation to an anchorage or structural member capable of supporting a minimum dead weigh of __________pounds. a. 4,000 b. 4,300 c. 5,400 d. 5,500
c. 5,400
The minimum height of dedicated equipment space for motor control centers installed indoor is ______ft above the enclosure, or to the structural ceiling, whichever is lower. a. 3 b. 5 c. 6 d. 6 1/2
c. 6
NEC Calculations Section 60-75 :Two 15-ohm resistors are connected in parallel. The total resistance of the two resistors is ________ ohms. a. 30 b. 15 c. 7.50 d. 0 (zero)
c. 7.50
Barricades for protection of employees shall conform to _____ of the Manual on Uniform Traffic Control Devices. a. Part I b. Part Ill C. Part IV d. all of these
c. Part IV
NEC Calculations Section 60-75:What is the total Schedule 40 PVC conduit is required for twenty 12 RHH with outer cover? a. Trade size 3/4 b. Trade size 1 c. Trade size 1 1/2 d. Trade size 2
c. Trade size 1 1/2
Flexible cords shall be connected to _______so that strain relief is provided which will prevent pull from being directly transmitted to joints or terminal screws. a. fittings b. devices c. a and b d. none of these
c. a and b
Accident prevention signs and symbols required by Supart G 29 CFR 1926.200 shall be _________ promptly when the hazards no longer exist. a. covered b. removed c. a or b d. a and b
c. a or b
Communications cables shall be permitted in the same raceway, cable tray, box, enclosure, or cable routing assembly with cables of _________. a. nonconductive and conductive optical fiber cables in compliance with Parts I and V of Article 770 b. community antenna television and radio distribution systems in compliance with parts 1 and V of Article 820 C. a or b d. none of these
c. a or b
Flexible cords and flexible cables shall be protected by _______ where passing through holes in covers, outlet boxes, or similar enclosures. a. bushings b. fittings c. a or b d. none of these
c. a or b
For permanently installed pools, a GFCI shall be installed in the branch circuit supplying luminaries operating at more than the low-voltage _______. a. setting b. listing c. contact limit d. none of these
c. contact limit
According to CFR regulations, each scaffold and scaffold component shall be capable of supporting, without failure, its own weight and at least ______ times the maximum intended load applied or transmitted to it. a. two b. three c. four d. six
c. four
The use of a common drinking cup for portable water is ___________. a. not recommended b. unsanitary c. prohibited d. not allowed
c. prohibited
Arrangements may be made between the prime contractor and any ______ to handle obligations which might be more appropriately treated on a jobsite rather than individually; for example, agreements as to who supplies first aid or toilet facilities. a. provider(s) b. owner(s) c. subcontractor(s) d. any of these
c. subcontractor(s)
NEC Calculations Section 60-75:How many 12 RHW without outer covering can be installed in trade size 1 EMT? a. 5 conductors b. 11 conductors c. 15 conductors d. 13 conductors
d. 13 conductors
NEC Calculations Section 60-75:What is the total cubic inch volume for box fill for two 18 AWG, three 12 AWG, and two 14 AWG? a. 19.25 cubic inches b. 11.25 cubic inches c. 17.50 cubic inches d. 13.75 cubic inches
d. 13.75 cubic inches
NEC Calculations Section 60-75:A 4-inch square x 1 1/2 inch deep box contains eight 14 AWG conductors. How many 12 AWGs can be pulled through the box? a. 1 conductor b. 3 conductors c. 5 conductors d. 2 conductors
d. 2 conductors
The total volume occupied by two internal cable clamps, six 12 AWG conductors, and a single-pole switch is ________. a. 2.00 cu in. b. 4.50 cu in c. 14.50 cu in d. 20.25 cu in.
d. 20.25 cu in.
The distance between ring buoys required by 29 CFR 1926.106(c) shall not exceed _______________ feet. a. 50 b. 90 c. 100 d. 200
d. 200
How many 12 THW conductors can be installed in a trade size 1 EMT raceway that is 24 inches long? a. 10 conductors b. 15 conductors c. 9 conductors d. 28 conductors
d. 28 conductors
Motor control circuit transformers, with a primary current rating of less tan 2A, can have the primary protection device set at no more than _________________ percent of the rated primary current rating. a. 150 b. 200 c. 400 d. 500
d. 500
The conductors, including splices and taps, in a metal surface raceway having a removable cover shall not fill the raceway to more than _________ percent of its cross-sectional area at the point of the splice or tap. a. 38 b. 40 c. 53 d. 75
d. 75
Devices that provide respiratory protection must be certified by the _______. a. American National Standards Institute b. Code of Federal Regulations c. Center for Disease Control d. NIOSH
d. NIOSH
Where nonmetallic wiring methods are subject to exposure to chemical solvents or vapors, they shall be inherently resistant to chemicals based upon their being _________ for the specific chemical reagent. a. listed b. identified c. a and b d. a or b
d. a or b
A permanent label shall be applied by the installer at the PC dc power source disconnect indicating the _____. a. maximum voltage b. maximum circuit current c. maximum rated output current of the charge controller or de-to-de converter (if maximum circuit current installed) d. all of these
d. all of these
All materials stored in tiers shall be stacked, racked, blocked, interlocked, or otherwise secured to prevent ________. a. collapse b. falling c. sliding d. any of these
d. any of these
In order to prevent accidents with machinery, tools, materials, or equipment that is not in compliance with these regulations, these items shall _________. a. be identified as unsafe by tagging b.have their controls locked to make them inoperable c. be physically removed from its place of operation d. any of these
d. any of these
Employees working over or near water where the danger of drowning exists shall be provided with ________. a.Red Cross-approved swimming lessons b. U.S Coast Guard-approved life jackets c. U.S. Coast Guard-approved buoyant work vests d. b or c
d. b or c
Unused openings other than those intended for the operation of equipment, intended for mounting purpose, or permitted as part of the design for listed equipment shall be _______. a. filled with cable clamps or connectors only b. taped over with electrical tape. C. repaired only by welding or brazing in metal slug d. closed to afford protection substantially equivalent to the wall of the equipment
d. closed to afford protection substantially equivalent to the wall of the equipment
The _______ shall ensure that electrical equipment is free from recognized hazards that are likely to cause death or serious physical harm to employees. a. inspector b. foreman C. employer d. employees
d. employees
The _______ is responsible for requiring the wearing of appropriate personal protective equipment in all operations where there is an exposure to hazardous conditions. a. worker b. employee c. contractor d. employer
d. employer
A circuit breaker is a device designed to _____ the circuit automatically on a predetermined overcurrent without damage to itself when properly applied within its rating. a. energize b. reset c. connect d. open
d. open
Traction hoists must use at least __________ hoisting ropes, and drumtype hoists must use at least _____________. a. one, three b. three, one c. two, three d. three, two
d. three, two
The first aid kit shall consist of materials in a __________ container with individual sealed packages for each type of item. a. closed b. sealed c. metal hinged d. weatherproof
d. weatherproof
