MASTER OPENBOOK EXAM #9

Where a shore-power is supplied, boats 20 feet or less in length shall be equipped with shore-power receptacles of a ___ type rated at not less than 20 amperes.

• GFCI

• locking and grounding

• tamperproof

• able to be locked in the “off” position

Which of the following pool parts are required to be bonded together?

I.       All fixed metal parts within 5 feet of the inside walls

II.     All forming shells and mounting brackets of no-niche fixture unless listed for a low voltage system

III.    All metal parts of an underwater sound system

• I only

• II only

• I and II only

• I, II and III

When installing office furnishing, receptacles outlets, ___ be located in lighting accessories.

• single-type only can

• duplex-type only can

• shall

• shall not

Elevators shall have a single means for disconnecting all undergrounded main power supply conductors for each unit; ___.

• this does not include the emergency power service if the system is automatic

• this does include the emergency power service

• this does not include the emergency power service

• no elevators are to operate on emergency power system

A motor operating at 40 volts, the minimum line terminal housing spacing between fixed line terminals must be ___ inch.

• 1/4

• 1/2

• 3/8

• 5/8

What is the minimum thickness for a 6” x 4” x 3 1/4” box?

• .0625”

• .0747”

• 15 MSG

• 16 MSG

Capacitors containing more than ___ gallons of flammable liquid shall be enclosed in vaults so outdoor fenced enclosures.

• 3

• 5

• 7

• 10

The branch circuit overcurrent devices in emergency circuits shall be ___.

• of the reset type only

• a slow-blow type

• accessible to only authorized personnel

• painted yellow

An electrically operated organs shall have both generator and motor frames grounded or ___.

• the generator and the motor shall be effectively insulated from ground and from each other

• the generator and the motor shall be effectively insulated from ground

• the generator shall be effectively insulated from the ground and from the motor driving it

• both the generator and motor shall have double installation

Cable trays include fittings or other suitable means for ___.

I.       Temperature

II.     Electric continuity

III. Changes in direction and elevation of runs

• I only

• I and II only

• III only

• I and III only