RMEE

A reliable conductor used to ensure the required conductivity between metal parts which are to be electrically connected is called which of the following:

• Connector

• Insulated conductor

• Bonding Jumper

• Branch Connector

20. The floor of a vault for electrical equipment with either a vacant space or additional floors below it shall have a minimum fire resistance of which of the following:

• a. 1 hour

• b. 3 hours

• c. 6 hours

• d. 12 hours

The clear work space on one side of equipment with exposed live parts, which operates at 600 volts nominal or less to ground, and which will require examination, adjustment or maintenance shall be at least which of the following:

• a. 600 mm wide

• b. 1000 mm wide

• c. 760 mm wide

• d. 2 times the width of the panel

Chose the answer below that is not an approved means of mounting electrical equipment to a masonry wall:

• a. Using screws that are driven into wooden plugs in the wall

• b. Using bolts that are supported by metal plates on the back side

• c. Using molly bolts through holes drilled completely through the wall

• d. Using lag bolts screwed into lead masonry anchors

Which of the following installations are covered by the Electrical Code:

• a. Power wiring for a large industrial machine

• b. Computer wiring in an office building

• c. Telephone cable in a flexible duct

• d. All the above

A compartment to which one or more air ducts are connected to form part of an air distribution system is called which of the following:

• a. Plenum chamber

• b. Ventilation duct

• c. Air-flow box

• d. Circulation cavity

A switching device utilized to isolate a circuit or equipment from an established power source is determined to be which of the following:

• a. Interrupter switch

• b. Circuit breaker

• c. Cutout

• d. Disconnection Switch

A large single panel assembly of panels containing mounted switches, overcurrent and protection devices and buses is considered which of the following:

• a. Panelboard

• b. Switchboard

• c. Automatic transfer switch

• d. Service panel

The connection device installed at an outlet to allow for two or more contact devices at the same yoke is which of the following:

• a. Duplex outlet

• b. Multiple receptacle

• c. Slice connector

• d. None of the above

Circuit voltage is best defined as which of the following:

• a. Average potential between two conductors

• b. Maximum potential difference between two conductors

• c. Effective difference of potential between two conductors

• d. Total amperes produced between two conductors