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12 Cards in this Set
- Front
- Back
Which of the following determines the pulling force applies to the cable when using a tugger? |
Number of wraps on the tugger drum |
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What is utilized to make a 90° bend when pulling cable in a cable tray? |
Cable roller |
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Where is non-metallic conduit PVC used? |
Both above + Below ground |
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What is the maximum # of quarter (90°) bends allowed between fittings in one conduit run? |
4 (90° bends or 360°) |
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Which of the following statements about cadweld molds is true? |
Cadweld molds are sized to fit fit the cable that is being welded |
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Which of the following describes the grounding of metal parts that do not carry currents in a distribution system? |
Solid Grounding |
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What will happen if moisture is inside the cadweld mold while the weld is being performed? |
Cadweld mold could explode |
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What are the two most commonly used methods of terminating grounding? |
Exothermic (cadweld) + Mechanical |
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The first step in making an exothermic (cadweld) connection is... |
To prepare the cable, mold and welding material |
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All parts of a metal cable tray must be bonded together and... |
Grounded |
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Which of the following factors is used to control the SPEED of the induction motor? |
Frequency -also charging # of poles - cascading the motors - charging supply voltage -adding rotor resistance |
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What is the voltage ration for dual-voltage motors? |
2 to 1 |
