Chapter 10 Flashcards
All lighting track shall be permanently installed and permanently connected to a branch circuit.
True
An outlet box for a recessed incandescent luminaire shall be at least ___’ from the fixture if the branch-circuit conductors are not suitable for the temperature.
1
Class A GFCIs are designed to operate when the ground fault current flow is between 10 mA and 15 mA.
False
A(n) ___ switch is a switch with a marked OFF position that is part of an appliance.
Unit
Generally, flexible cords and flexible cables shall be installed in continuous lengths without splices or taps.
True
___-grade receptacles are the highest grade receptacles manufactured by the electrical industry.
Hospital
Electric fixtures are not permitted within ___’ of the horizontal bathtub rim zone.
3
Handholes are not required in ___’ or less metal poles which support luminaires if the base is hinged.
20
Any branch-circuit conductor located within ___” of a ballast, within a ballast compartment, shall have an insulation rating not lower than 90°C.
3
A minimum of ___” clearance shall be provided for recessed portions of luminaires from all combustible materials.
.5
Ceiling fans shall be supported independently of an outlet box or by a listed outlet box or outlet box system ___ for the use.
Identified
A(n) ___ is any utilization equipment which performs one or more functions.
Appliance
The major difference between flexible cords and flexible cables is the number of insulated ___.
conductors
Outlet boxes used as the sole support of a ceiling suspended fan shall be listed and marked as being suitable and shall not support fans that weigh more than ___ lb.
70
Trees may be used to support outdoor luminaires.
True
An electric-discharge luminaire utilizes a(n) ___ for the operation of the lamp.
Ballast
Flexible cords not smaller than ___ AWG are considered protected by the overcurrent device
18
The flexible cord for a kitchen in-sink food waste disposer shall be from ___” to ___” in length.
18; 36
Lighting track fittings shall not be equipped with general-purpose ___.
receptacles
Within sight is visible and no more than ___’ from the object.
50
All recessed HID luminaires shall be thermally protected.
True
Metal faceplates are required to be grounded.
True
Lampholders shall not support lamps weighing over 6 lb.
True
A(n) ___ is a complete lighting unit consisting of a light source such as a lamp or lamps together with the parts designed to distribute the light, to position and protect the lamps and ballast (where applicable), and to connect the lamps to the power supply.
luminaire
