In Cord-Connected Showcases, the Secondary Circuit(s) of Each Electric-Discharge Lighting

question 24

Multiple Choice

In cord-connected showcases, the secondary circuit(s) of each electric-discharge lighting ballast is (are) ____.

• A) connected to a wall receptacle
• B) limited to the adjacent branch circuit
• C) not limited to any number of showcases
• D) limited to one showcase

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Definitions:

Axon

A long, slender projection of a nerve cell that typically conducts electrical impulses away from the neuron's cell body.

Dendrite

Short branched extensions of a nerve cell, along which impulses received from other cells at synapses are transmitted to the cell body.

Myelin Sheath

A fatty layer that surrounds the axons of some neurons, enhancing the speed of electrical signal transmission.

Node of Ranvier

A gap in the myelin sheath of a nerve fiber that facilitates rapid conduction of nerve impulses along the axon through saltatory conduction.