Electrical Job Info Lesson 6

Some cable pullers made for smaller gauge wire pulls are handheld and driven by two-speed drills with a ? drill motor. a. 1/4" b. 1/2" c. 1 1/2"

b. 1/2"

Fish tapes come in a variety of sizes. Choose the sizes of fish tapes that are available for pulling 14 AWG through 2 AWG. (Choose all that apply.) a. 5/16" b. 1/8" c. 1/4"

b. 1/8" c. 1/4"

The ? is a basic tool for wire pulling that is useful for cutting wires and cables that are difficult to reach. a. auto-retracting knife b. diagonal cutting pliers c. long-nose pliers d. ratcheting cable cutters

b. diagonal cutting pliers

Aerial cable bus conductors take up ? space than bare conductors that are installed on a pole. a. equal b. less c. more d. 3 times the

b. less

When cable ties are used to lash cables in cable trays, they shall be ? and identified for the application and for securement and support. a. approved b. listed c. recognized d. verified

b. listed

Conductor pulling tapes can serve multiple purposes; along with pulling in conductors or ropes, they also provide internal ? . a. lubrication b. measurements c. proofing d. friction

b. measurements

Larger cable pullers typically have a continuous pulling force rating up to ? of peak pulling force. a. 6,500 pounds b. 7,000 pounds c. 10,000 pounds d. 15,000 pounds

c. 10,000 pounds

Insulators must be securely attached to any structure. Insulators are designed to withstand which of the following stresses? a. Electrical b. Environmental c. Mechanical d. All of the above

d. All of the above

? -style pulling heads utilize opposing set screws to secure the conductor in the conductor receptacle. a. Clevis b. Compression c. Grip d. Mechanical

d. Mechanical

The cable manufacturer minimum bending radius for cables with an overall diameter of one inch or less is ? times the overall diameter of the cable. a. 4 b. 5 c. 6

a. 4

Multi-roller sheaves are often referred to as ? hook sheaves. a. conveyor b. roller c. unit d. vector

a. conveyor

The safety switch system used for electrically-driven equipment requires the footswitch to be ? in order to allow operation. a. depressed b. impressed c. pedaled

a. depressed

Typical lighter-duty cable pullers utilize a(n) ? motor as the energy source to pull the wire into the raceway. a. drill b. integral c. removable d. stand-alone

a. drill

A ? and ? are some common tools/materials that can be used to help install pull ropes and/or cables in cable trays. a. fish stick / water bottle b. fish tape / conduit c. jet line kit / vacuum d. pulley / glue

a. fish stick / water bottle

The compatibility of the pulling ? and the conductors and raceway is an important consideration when making the selection. a. lubricant b. piston c. roller

a. lubricant

A ? is any point other than the point of operation where it is possible for a part of the body to be caught between any moving parts, between moving parts and stationary parts, or between materials and moving parts. a. pinch point b. pull rope c. pull calculation d. sheave movement

a. pinch point

When taping up a head for a pull, it is best practice to have the final wrap go from ? . (The front of the head is where the pull rope, fish tape, etc. is connected.) a. the back toward the front of the head b. the front of the head toward the back

a. the back toward the front of the head

When attaching smaller gauge wires, such as 3-12 AWG, to a fish tape's leader for a medium-duty pull, the conductors should be ? . a. folded in half and taped up for the pull b. stripped out 3-5", each 1" further than the previous; folded in half through the leader; and taped up for the pull c. stripped out 3-5", each 1" further than the previous; half of the wire strands from each wire cut off; folded in half through the leader; and taped up for the pull d. taped together in a head-staggering pattern, grip placed over conductors, poly line tied to the grip's head and the leader, and taped up for the pull

b. stripped out 3-5", each 1" further than the previous; folded in half through the leader; and taped up for the pull

Strength requirements are expressed in terms of a ? , which is the ratio of rated cable strength to support cable weight. a. maximum safety factor (Fs) b. maximum support number (Fs) c. minimum safety factor (Fs) d. minimum support number (Fs)

c. minimum safety factor (Fs)

Cable tray cable cleats are more commonly used for ? cables. a. communication b. fiber optic c. power d. telecommunication

c. power

When planning a wire pull, it is best to remember to ? . a. place as few components as possible in the wire pull to save time; there is no need to worry about how many people it takes to pull the wire in effectively b. plan fewer longer pulls rather than several shorter pulls c. pull in a direction that will require the lowest amount of pulling force

c. pull in a direction that will require the lowest amount of pulling force

The downside to using the compression style pulling head is that it is ? . a. large b. more expensive than the other methods c. sacrificial d. time-consuming to set up

c. sacrificial

Once the cable has been pulled, the conductors should be ? in several locations as soon as possible. a. cut b. lifted c. secured d. spaced

c. secured

The most basic way of getting wire and cables into cable tray is to ? . a. install at the time of cable tray installation b. install one at a time c. set up people at all corners and snag points d. set up rollers and sheaves at all corners and snag points

c. set up people at all corners and snag points

The interiors of enclosures or raceways installed underground are considered to be ? locations. a. damp b. dry c. wet d. all of the above

c. wet

An Electrical Worker is performing the task of pulling wire by hand. Which of the following is a best practice for this task? a. The worker decides to not lubricate the smaller gauge wires while pulling them into a conduit with many bends. b. The worker is running wire overhead while standing on the top step of the ladder. c. The worker is wearing protective gloves for a wire pull and decides to pull the larger gauge conductors because they weigh less. d. The worker is wearing protective footwear while moving wire spools that are large and heavy.

d. The worker is wearing protective footwear while moving wire spools that are large and heavy.

The following are all advantages of cable pull calculations, except ? . a. calculates jam ratios and clearances b. calculates pulling tension c. calculates sidewall pressure d. calculates the cost of conduit e. minimizes costly cable damage f. provides data for safety risk assessment

d. calculates the cost of conduit

Proofing mandrels and swabs are used to check the interior of the raceway system for any ? in the raceway. a. blemishes b. cleaning c. impurities d. obstructions

d. obstructions

The mare's tail method of making a wire pulling head mimics a ? . a. clove hitch and half hitch method b. compression head c. fish tape d. pulling grip

d. pulling grip

Scheduling multiple cable runs to be pulled at one time will ? . a. be inefficient and add cost to the job b. increase labor cost for each installation c. increase the time it takes to install the cable d. reduce labor cost for each installation

d. reduce labor cost for each installation

Contractors performing work on the jobsite must have a(n) ? procedure. a. informational assessment b. positive assessment c. pulling assessment d. risk assessment

d. risk assessment

Fish tapes are most commonly made out of ? spring steel. a. blued b. high c. rigid d. tempered

d. tempered