Grounding and Bonding

Question 1

An electrical source, other than a service, having no direct connection(s) to circuit conductors of any other electrical source other than those established by grounding and bonding connections.

Answer 1

Separately Derived System

Question 2

A conductor used to connect the system grounded conductor or the equipment to a grounding electrode or to a point on the grounding electrode system.

Answer 2

Grounding electrode conductor

Question 3

The common point on a wye connection in a polyphase system or midpoint on a single phase, 3-wire system, or midpoint of a single-phase portion of a three-phase delta system, or midpoint of a 3-wire, direct current system.

Answer 3

Neutral point

Question 4

The conductive path(s) that provides a ground-fault current path and connects to normally non-current-carrying metal parts of equipment together and to the system grounded conductor or to the grounding electrode conductor, or both.

Answer 4

Equipment grounding conductor

Question 5

The connection between the grounding circuit conductor and the equipment grounding conductor at the service.

Answer 5

Main bonding jumper

Question 6

Connected (connecting) to ground or to a conductive body that extends the ground connection.

Answer 6

Grounded

Question 7

An intentionally constructed, low impedance electrically conductive path designed and intended to carry current under ground-fault conditions from the point of a ground fault on a wiring system to the electrical supply source.

Answer 7

Effective ground-fault current path

Question 8

A device that provides a means for connecting bonding conductors for communications systems to the grounding electrode system.

Answer 8

Intersystem bonding termination

Question 9

A system or circuit conductor that is intentionally grounded.

Answer 9

Grounded conductor

Question 10

The conductor connected to the neutral point of a system that is intended to carry current under normal conditions.

Answer 10

Neutral conductor

Question 11

The connection between two or more portions of the equipment grounding conductor

Answer 11

Equipment bonding jumper

Question 12

A conductor installed on the supply-side of a service or within a service equipment enclosure(s), or for a separately derived system, that ensures the required electrical conductivity between metal parts required to be electrically connected

Answer 12

Supply-side bonding jumper

Question 13

A conducting object through which a direct connection to earth is established

Answer 13

Grounding electrode

Question 14

The connection between the grounded circuit conductor and the supply-side bonding jumper or the equipment grounding conductor, or both, at a separately derived system.

Answer 14

System bonding jumper

Question 15

Deleted during the processing of the 2011 NEC. Too close in meaning to other terms related to grounding and bonding.

Answer 15

Grounding conductor

Question 16

A conductive element such as conduit, cable or wire that extends from the point where an earth connection is made at one or more grounding electrodes to another point on the electrical system where a switchboard, panelboard, junction or pull box or a grounding receptacle is properly connected “extends the earth connection”

Answer 16

Grounded

Question 17

Connected to establish electrical continuity and conductivity.

Answer 17

Bonded

Question 18

Connected to ground without inserting any resistor or impedance device.

Answer 18

Solidly grounded

Question 19

Grounded (grounding) “means connected (connecting) to earth or to some conductive body that extends the ground connection.

Answer 19

Grounded improperly

Question 20

A conductor to ensure the required electrical conductivity between metal parts required to be electrically connected.

Answer 20

Bonding conductor or jumper