IMSA Traffic Signal Inspector
Chapter 1 – Introduction with
Complete Solutions
Ampacity - ANSWER - The maximum current, in amperes, that a conductor can carry
continuously under the conditions of use without exceeding its temperature rating.
Bonded (Bonding) - ANSWER - Connected to establish electrical continuity and
conductivity.
Bonding Jumper, Main - ANSWER - The connection between the grounded circuit
conductor and the equipment grounding conductor at the service.
Disconnecting Means - ANSWER - A device (or group) by which the conductors of a
circuit can be disconnected from their source.
Effective Ground-Fault Current Path - ANSWER - Intentionally constructed, low-
impedance path intended to carry current under ground-fault conditions from the
point of s ground-fault in the system to the electrical supply source that facilitates
the operation of the overcurrent device(s) of ground fault detectors on high-
impedance grounded systems.
Equipment - ANSWER - General term: fittings, devices, appliances, luminaries,
apparatus, machinery, ect. in connection with an electrical installation.
Equipment Grounding Conductor (EGC) - ANSWER - The conductive path(s) installed
to connect normally non-current carrying metal parts of equipment together and to
the system grounded conductor to the grounding electrode conductor, or both.
Grounded (grounding) - ANSWER - Connected to a ground or a conductive body that
extends to the ground connection.
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