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Exam 2: Photovoltaic System Installation Safety

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Question 1

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The three categories of electrical hazards that a photovoltaic system installer could be exposed to are arc, arc-flash, and arc-blast.

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B) False

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Question 2

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During testing, all electrical equipment and conductors are to be considered ____________________ until determined de-energized by testing methods.

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Question 3

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The unit of measure for electrical resistance is the ____________________.

What is the guide for safe practices and procedures in the electrical field published by the National Fire Protection Association?

The purpose of ____________________ is to insure safe and healthy working conditions for working men and women on the job site.

Electricity flows along a path or ____________________.

Which type of material does not allow electrical current to flow through it?

If current flows from one finger to another on the same hand it will not pass through vital organs like the heart.

A(n) ____________________ is a material that allows electrical current to flow through it.

What is an electrical connection to an object that conducts electrical current to the earth called?

An employer must provide an electrical safety program and safety training.

And arc-flash is a violent electrical condition that causes molten metal to be thrown through the air.

The NEC requires ground fault circuit interruptor protection for ____________________ safety.

The Code of Federal Regulations (CFR) is published and administered by what organization?

What is the unit of measure for electrical current flow?

In an arc-flash, what does the severity of the burn typically depend on?

The purpose of NFPA 70E is to provide a practical safe working area for employees relative to the hazards arising from the use of ____________________.

An MSDS is a form that lists and explains each of the hazardous materials that an electrician may work with so they can safely use the material and respond to an emergency situation.

What two types of training may an employer provide under guidelines of the NFPA 70E electrical standard?