Article 250

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The grounded conductor brought to service equipment shall be routed with the phase conductors and shall not be smaller than specified in Table _____ when the service-entrance conductors are 1,100 kcmil copper and smaller.

250.102(C)(1)

For grounded systems, electrical equipment and other elecrically conductive material likely to become energized shall be installed in a manner that creates a _____ from any point on the wiring system where a ground fault may occur to the electical supply source.

Circuit facilitating the operation of the overcurrent device, Low-impedance, capable of safely carrying the ground-fault current likely to be imposed on it

Equipment grounding conductors, grounding electrode conductors, and bonding jumpers shall be connected by ____.

Listed pressure connectors, Terminal bars, exothermic welding, etc.

In grounded systems, normally nocurrent-carrying electrically conductive materials that are likely to become energized shall be connected _____ in a manner that establishes an effective ground-fault current path.

To the electrical supply source >WRONG<

______ alternating-current systems operating at 480V shall have ground detectors installed on the system.

Ungrounded

For grounded systems, normally noncurrent-carrying conductive materials enclosing electrical conductors or equipment, or forming part of such equipment, shall be connected together and to the ____ to establish an effective ground-fault current path.

electrical supply source

Grounded electrical systems shall be connected to earth in a manner that will _____ .

limit voltages due to lightning, line surges, or unintentional contact with higher-voltage lines >WRONG<

A grounded conductor shall not be connected to normally noncurrent-carrying metal parts of equipment on the ____ side of the system bonding jumper of a separately derived system except as otherwise permitted in Article 250.

load

Grounding and bonding connection devices that depend solely on ____ shall not be used.

solder

A main bonding jumper shall be a ____ or simlar suitable conductor.

wire, bus screw


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