Electrical Wiring: Residental - With Plans (Paperback) Package
18th Edition
ISBN: 9781305416376
Author: MULLIN
Publisher: Cengage
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Textbook Question
Chapter 33, Problem 6R
To size conductors and overcurrent devices for source circuits, you must multiply the module string short-circuit current by ______________________.
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10. Main bonding jumpers are required to be made of _______ or other corrosion-resistant material.A. copperB. aluminumC. copper-clad aluminum
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6.a. The general lighting load is based on a _______ per square foot basis.A. kilowattB. number of circuitsC. volt-ampereD. general illumination6.b. What's the primary disadvantage of using copper conductors?A. AvailabilityB. WeightC. CostD. Durability
3. The three bus-bar conductors in an outdoor sub-station are supplied by units ofpost insulators. Each unit
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[38-8 kV]
Chapter 33 Solutions
Electrical Wiring: Residental - With Plans (Paperback) Package
Ch. 33 - Prob. 1RCh. 33 - Prob. 2RCh. 33 - Name four electrical hazards associated with...Ch. 33 - Name five components of a utility-interactive...Ch. 33 - Which conductor types are permitted to be...Ch. 33 - To size conductors and overcurrent devices for...Ch. 33 - When is a metallic raceway required for...Ch. 33 - Photovoltaic modules that also serve as an outer...Ch. 33 - Grounding electrode system requirements for a...Ch. 33 - The two methods permitted for connection of a...
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- 5. To interconnect grounding electrodes and form a grounding electrode system, connect the _______ to abusbar.A. bonding jumpers and their equipment grounding conductorsB. equipment grounding conductors and their neutral disconnect linkC. grounding electrode conductors and their bonding jumpersD. neutral disconnect links and their grounding electrode conductorsarrow_forward1. Which of the following statements about equipment grounding conductors is true?A. Unacceptable equipment grounding conductors include conduit, tubing, and cable armor.B. They must be capable of withstanding the higher level of ground-fault current to perform their safety function.C. They increase voltages above ground potential on conductors and equipment enclosures during normal operation.D. When they're far from their associated circuit conductors, impedance values are kept as low as possible during ground-faultconditions.arrow_forward8. You're installing type AC cable. The armor coating of type AC cable is allowed for use as an equipmentgrounding conductor (EGC) because of itsA. liquid-tight fittings listed for EGC purposes.B. interlocking ribs that form a complete circuit.C. internal bare bonding strip.D. internal bare aluminum bonding conductor.arrow_forward
- To interconnect grounding electrode and form grounding electrode system, connect the________ to a busbar. A. Neutral Disconnect link and their grounding electrode conductor B. Grounding electrode conductor and their bond jumpers C. Bounding jumpers and their equipment grounding conductors D. Equipment grounding conductors and their neutral Disconnect linkarrow_forward1.A. When a grounding electrode conductor is connected to the grounded conductor within a serviceequipment enclosure, it's required to be connected to the _______ terminal bus.A. service bonding jumperB. equipment groundingC. grounded conductorD. main bonding jumper1.B. The grounding electrode conductor for a DC system will have that conductor sized no smaller than_______ AWG aluminum.A. 8B. 6C. 10D. 121.C. What are the two key aspects of the installation of the grounding electrode conductor?A. Sizing and protectionB. Bonding and accessibilityC. Materials and placementD. Location and safetyarrow_forward4/The Voltage Range of a All aluminum Conductors using is Distribution schemes____________ a. 1 KV TO 11 KV b. 0 TO 20 KV c. 22 KV TO 33 KV d. 0 KV TO 60 KVarrow_forward
- 16. A conductor installed from a bonding/grounding bushing that's used to provide a conducting connectionbetween a raceway and the enclosure that the raceway is connected to is an example of a/anA. grounding electrode conductor.B. bonding jumper.C. equipment grounding conductor.D. impedance device.arrow_forwardA? Conductor is defined in NEC 240.2 as a conductor, other than a service conductor, having overcurrent protection ahead of its point of supply that exceeds the value permitted for similar conductors that are not taps. A. Faulted b. Tap c. Magnetic d. Copper-likearrow_forward11. Which of the following statements about the use of structural steel as an equipment grounding conductor (EGC) in an AC system is correct? A. Structural steel can be used as an EGC when it's bonded at both ends.B. Structural steel isn't allowed for use as an EGC.C. Structural steel must have an EGC bonding jumper every three feet of structure. D. Structural steel can be used as an EGC bonding jumper between panelboards. 12. Which of the following statements about equipment grounding conductors is true? A. They increase voltages above ground potential on conductors and equipment enclosures during normal operation. B. Unacceptable equipment grounding conductors include conduit, tubing, and cable armor. C. They must be capable of withstanding the higher level of ground-fault current to perform their safety function. D. When they're far from their associated circuit conductors, impedance values are kept as low as possible during ground-fault conditions. 13. Imagine that…arrow_forward
- Please solve question no.9 and show a clear and readable solution. Choose the letter of the correct answer. Thanks!!!arrow_forwardDefine an equipment grounding conductor.arrow_forwardIf a grounding electrode conductor is connected at the first system disconnecting means or overcurrent device, the bonding jumper is sized the same as the ____. Select one: A. EQUIPMENT BONDING JUMPER B. POSITIVE CONDUCTOR C. SUPPLY-SIDE BONDING JUMPER D. NEUTRAL CONDUCTORarrow_forward
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