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Author Archives: Anonymous

All switchboards, switchgear, panelboards, and motor control…

All switchboards, switchgear, panelboards, and motor control centers shall be located in dedicated spaces and protected from damage and, for outdoor installations, the space equal to the width and depth of the equipment, and extending from grade to a height of _____ ft above the equipment, shall be dedicated to the electrical installation.

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The selection and installation of overcurrent protective dev…

The selection and installation of overcurrent protective devices so that an overcurrent condition will be localized to restrict outages to the circuit or equipment affected, is called “_____.”

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All switchboards, switchgear, panelboards, and motor control…

All switchboards, switchgear, panelboards, and motor control centers shall be located in dedicated spaces and protected from damage, and outdoor installations shall be _____.

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A(n) _____ is a device, or group of devices, by which the co…

A(n) _____ is a device, or group of devices, by which the conductors of a circuit can be disconnected from their source of supply.

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The common point on a wye connection in a polyphase system i…

The common point on a wye connection in a polyphase system is a “neutral point.”

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The NEC requires tested series rated installations of circui…

The NEC requires tested series rated installations of circuit breakers or fuses to be legibly marked in the field to indicate the equipment has been applied with a series combination rating.

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The _____ of a circuit to be protected shall be selected and…

The _____ of a circuit to be protected shall be selected and coordinated to permit the circuit protective devices to clear a fault without extensive damage to the electrical equipment of the circuit.

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The Code covers underground mine installations and self  pro…

The Code covers underground mine installations and self  propelled mobile surface mining machinery and its attendant electrical trailing cable.

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A _____ is a single unit that provides complete and independ…

A _____ is a single unit that provides complete and independent living facilities for one or more persons, including permanent provisions for living, sleeping, cooking, and sanitation.

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NFPA 70E-Standard for Electrical Safety in the Workplace, pr…

NFPA 70E-Standard for Electrical Safety in the Workplace, provides information to help determine the electrical safety training requirements expected of a qualified person.

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