Exam 1: General Information for Electrical Installations

Nationally Recognized Testing Laboratories (NRTL) ____ electrical products to provide a basis for approval by inspectors in the field.

The open-circuit voltage between the two terminals of a single-pole switch on a lighting circuit when the switch is in the OFF position is ____.

In the international system of units, the prefix milli- means ____.

The National Electrical Code is a minimum ____ standard.

The architect uses symbols and notations to ____ concerning electrical devices, appliances, and equipment.

The meaning of approved is ____.

As defined in Article 100, a dwelling unit has the following feature(s): ____.

All measurements in the National Electrical Code are shown in which system(s) of units?

Always ____________________ the power before working on an electrical circuit.

In the international system of units, the prefix kilo- means ____.

The use of the word shall indicates a(n) ____________________ rule.

An arc flash can produce temperatures of ____°F.

What is the purpose of the National Electrical Code?

Nationally Recognized Testing Laboratories (NRTL) test and evaluate products for ____________________.

The authority having jurisdiction over electrical construction is generally the ____________________.

For safety, it is very important that electrical equipment be "listed" by the ____.

To prevent confusing detail in the working drawings, it is standard practice to include with each set of plans a set of detailed written ____________________ prepared by the architect.

What is the NEC definition of a "Qualified Person"?