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Multiple-Choice Knowledge Exam

​The EPP Certification exam consists of two parts.  The first part is a Multiple-Choice Knowledge exam that consists of 112 questions.  This exam is administered online, and individuals have up to 90 minutes to complete the exam. 
 
Sample questions include the following:

  1. What does GFCI stand for?          
       a) Ground Fault Circuit Introduction
       b) Ground Force Circuit Interrupter
       c) Great Fault Circuit Interruption
       d) Ground Fault Circuit Interrupter

    2.  Which of the following should be performed before drilling with the roto-hammer? 
        a) Make sure the vacuum works
        b) See if the vacuum filter is clean
        c) Make sure you're wearing the proper PPE
       d) All the above
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​   3.  What is wrong with the picture above?          
         a) The worker is wearing the wrong PPE
         b) The drill needs to be plugged in
         c) The vacuum isn't working
         d) The worker isn't using the drill with both hands

   4.  True or False: Electric Metallic Tubing (EMT) Set Screw Connectors can be secured on the top of boxes to make installation and wire pulling             easier. 
         a) True
         b) False

   5.  What can happen if you don't label the junction box correctly?
        a) You can end up pulling the wrong wire
        b) Other people working on the box will not know its purpose
        c) Both A & B
        d) Nothing will happen

  6.  Per code when installing Home Run stub-ups, the conduit strap must be within ____ of the box
        a) 3 in.
        b) 10 in.
        c) 3 ft.
        d) 10 ft. 

  7.  Imagine you need to bend some stub-90s for a home run box that will be supported by a rack. The distance from the ceiling to the top of the         box is 19 inches, and the rack is 6 inches from the ceiling. What size do the 90-degree bends need to be to connect to both?
       a) 5"
       b) 8"
       c) 11"
       d) 13"

  8.  Which of the following should be placed on stub-ups prior to installing?
       a) Beam Clamp
       b) Electric Metallic Tubing (EMT) Coupling
       c) Lock Washer
       d) Wire Nut

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  9.  How many 90-degree stubs will you need for the layout pictured above?
       a) 2
       b) 3
       c) 5
       d) 7

  10.  The direction the MC Cable will travel is represented by what kind of line on the floor drawn layout?
       a) Dashed
       b) Dotted
       c) Solid
       d) Double
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  11.  In the drawing above, what is the circuit (number) travelling to the overhead box marked in red?
       a) H3B
       b) 3
       c) H3B-16
       d) 16

  12.  According to the NEC after the initial support, within how many feet should MC Cable be supported? 
       a) 3'
       b) 6'
       c) 10'
       d) 12'

  13.  When preparing MC Cable for connection to an overhead box, what length of sheathing should be stripped from the end?
       a) None
       b) 1-2 inches
       c) 6-8 inches
      d) 10-20 inches

  14.  Which two tools are used to ensure bend precision?
       a) Tape Measure, Channel Locks
       b) Channel Locks, Voltage Detector
       c) Voltage Detector, Tape Measure
       d) Torpedo Level, Tape Measure

  15.  For a saddle bend, what two measurements of the obstruction are needed? 
       a) Height, Width
       b) Width, Thickness
       c) Thickness, Opacity
       d) Opacity, Height

  16.  The distance from the top of an existing Electric Metallic Tubing (EMT) run to the floor is 27". The distance from the knockout on the wall                device to the floor is 43". What is the elevation change needed for the Electric Metallic Tubing (EMT) to reach the device?
       a) 19"
       b) 13"
       c) 16"
       d) 23"

  17.  The purpose of fish tape is to? 
       a) Pull wire through a raceway
       b) Secure the wire in the conduit
       c) To serve as a grounding conductor
       d) To tape wire to the wall device

  18.  Once an offset bend is complete, the conduit is laid on the ground to see if it lies flat. This procedure checks for which of the following                    errors?
       a) Erroneous Calculation
       b) Faux Pas
       c) Dog Leg
       d) Nothing

  19.  What is the purpose of grounding and bonding? 
       a) Prevents electrical shocks and fires
       b) Creating tunnels
       c) Building teamwork
       d) Preventing hot work

  20.  True or False: Transformers are used to decrease or increase voltage.
       a) True
       b) False

  21.  A three-phase squirrel cage induction motor functions based on the principle of... 
       a) Squirrel Running
       b) Electricity
       c) Hand Cranking
       d) Electromagnetism

  22.  Which part of the human body is a paired sense organ that reacts to light and allows vision?
        a) Left Ear
       b) Epidermis
       c) Right Nostril
       d) Human Eye

  23.  A run of conduit should not exceed______ in bends?
       a) 180-degrees
       b) 270-degrees
       c) 360-degrees
       d) 540-degrees

  24.  After the initial support closest to the junction box, the next conduit support should be installed within how many feet? 
       a) 6'
       b) 10'
       c) 15'
       d) 25'
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  25.  What is the circuit number for the overhead box the green arrow is pointing to?
       a) 32
       b) A2
       c) 39
       d) 29

  26.  The direction of the stub 90 on the overhead box should match what aspect of the floor drawing?
       a) Solid Line
       b) Location of Panel Name
       c) Location of Circuit Name
       d) Mark for installation
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  27.  The conduit pictured above runs directly on the ground and will enter the side of the box. According to the measurements on the drawing             above, how many straps are needed for the installation? 
       a) 10
       b) 13
       c) 14
       d) 15

  28.  After how many feet of conduit must a pull point be added?
       a) 50'
       b) 100'
       c) 75'
       d) 90'

  29.  Although the C condulet itself does not need to be supported, the conduit on either side must be supported within what distance?
       a) 10'
       b) 12'
       c) 12"
       d) 3'

  30.  After cutting conduit, which tool should be used to ensure the ends of the pipe are smooth?
       a) Reamer
       b) Channel Locks
       c) Phillips Head Screwdriver
       d) Hole Saw
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  31.  What is the given measurement of the picture above?
       a) 2 7/8"
       b) 3 1/16"
       c) 1 1/8"
       d) 3 1/4"
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  32.  Look at the picture above. Which of the scales on the left should be used with the drawing on the right?
       a) 1 & ¼
       b) 1/8 & ½
       c) 1-1/2 & 3/8
Construction Career Collaborative
713-999-1013
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P.O. Box 920920 Houston, TX 77292
Physical Address:
3825 Dacoma St, Houston, TX 77092



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​Copyright 2018
  • About
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    • C3's Team
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    • Quick Links
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  • Enroll
    • Apply - GC or SC >
      • Participating With C3 - Informational Video >
        • C3 Video Survey
      • Scholarship Programs
    • Apply - Staffing Agencies and PEOs
  • Participants
    • Owners
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    • Projects
    • Contractors
    • Staffing Agencies
    • Advocates
  • Database
  • Programs
    • Safety & Metrics
    • Continuing Education
    • C3 Craft Training Endorsement
    • Golf Classic 2022
    • #SHEbuildsHouston 2023 >
      • #SHEbuildsHouston 2023 Registration
  • Ed. Resources
    • IBC - Electrical >
      • IBC - Electrical Multiple-Choice Exam
      • IBC - Electrical Hands-On Practical Exam