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

• True

• False

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.

• True

• False

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

• True

• False

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

• True

• False

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

• True

• False

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

• conductor.

• insulator.

• semiconductor.

• resistor.

The unit of measure for electrical resistance is the ____________________.

• ohm.

• volt.

• ampere.

• watt.

Electricity flows along a path or ____________________.

• circuit.

• wire.

• line.

• route.

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

• personnel.

• equipment.

• environment.

• property.

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

• electricity

• water

• chemicals

• machinery