3. 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 isn't allowed for use as an EGC. B. Structural steel can be used as an EGC bonding jumper between panelboards. C. Structural steel must have an EGC bonding jumper every three feet of structure. D. Structural steel can be used as an EGC when it's bonded at both ends.

3. 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 isn't allowed for use as an EGC. B. Structural steel can be used as an EGC bonding jumper between panelboards. C. Structural steel must have an EGC bonding jumper every three feet of structure. D. Structural steel can be used as an EGC when it's bonded at both ends.

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter20: Special-purpose Outlets For Ranges, Counter-mounted Cooking Unit , And Wall-mounted Oven

Section20.2: Wall-mounted Oven Circuit And Free-standing Range

Problem 12R

See similar textbooks

Similar questions

7.B. The size of a grounding electrode conductor for a service or separately derived system is generally basedon the size of the largestA. ungrounded supply conductor.B. equipment grounding conductor.C. grounded electrode.D. bonding jumper.7.C. Which of the following statements about bonding is true?A. The joint or termination must offer opposition in the circuit for effective electrical connections.B. Effective bonding keeps impedance high if a fault should occur.C. The entire electrical safety circuit is only as good as its strongest bonded link.D. Bonding connections must endure high levels of fault current until overcurrent protective devices can operate.
4. What can installation records be used to determine while servicing equipment?A. Broken connectors in a cable linkB. Problems due to aging during operationC. Broken fiberD. Decreased bending radius during operation
8. 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.
1. 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.
c.1. Which of the following is one of the three essential functions of an equipment grounding conductor?A. Provide an arc-fault current pathB. Establish groundingC. Establish bondingD. Ensure the system is groundedc.2. What's another name for the three-point method of Earth resistance testing?A. Fall-of-potentialB. Line surgeC. Spatial shieldingD. Leakage current c.3. If the National Electrical Code provides a requirement to ground equipment, it generally implies thatthere will be a direct connection to the Earth of a connection through a/anA. grounding electrode conductor.B. equipment grounding conductor.C. equipotential bonding conductor.D. bonding conductor.
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.
5. Which of the following descriptions of a ground ring is correct?A. A ground ring is a circular formation that's made up of six or more grounding electrodes.B. A ground ring is a coiled conductor that's buried underneath a utility pole.C. A ground ring is a device that's used to clamp a conductor to a water pipe.D. A ground ring is a bare copper conductor that will encircle an entire structure underground.
12. Which of the following statements about ground faults is true?A. They can happen if a conductive tool is dropped in an energized equipment's electrical enclosure.B. They usually occur between any grounded circuit conductor and the equipment grounding conductor.C. They can't result from human error.D. They're often normal and typically intentional.
Q.4. Mention the specifications of EIA/TIA recognized cables and its standard number for each type of cable mentioned in the table below. Name of the cabling Specifications (Zo, freq) Standard no: Fiber optic Category3 Category5e Category6
Define an equipment grounding conductor.
a.2. Which of the following statements about grounding electrode conductors is true?A. They restrict the ground connection.B. They eliminate potential differences between conductive objects and the Earth electrode.C. They facilitate operation of overcurrent protective devices.D. They perform bonding between the Earth and grounded conductors.a.3. Main bonding jumpers are required to be made of _______ or other corrosion-resistant material.A. brassB. aluminumC. copperD. copper-clad aluminum
20.a. What's the primary disadvantage of using copper conductors?A. DurabilityB. CostC. AvailabilityD. Weight20.b. The NEC requires that each service-disconnecting means be suitable forA. hazardous locations.B. disconnecting the meter.C. wet conditions.D. the prevailing conditions 20.c. As a general rule, each building or structure is limited to a single service. What's an automatic exceptionto this rule?A. A second service deemed suitable for useB. A second service having the proper markingsC. Emergency systems or fire pumpsD. Higher building occupancy