Exam 15: Luminaires
Exam 1: Commercial Building Plans and Specifications20 Questions
Exam 2: Reading Electrical Working Drawings--Entry Level20 Questions
Exam 3: General Requirements for Conductors16 Questions
Exam 4: Branch Circuits20 Questions
Exam 5: Switches and Receptacles20 Questions
Exam 6: Wiring Methods20 Questions
Exam 7: Motor and Appliance Circuits20 Questions
Exam 8: Feeder Installation and Load Calculation22 Questions
Exam 9: Special Systems20 Questions
Exam 10: Working Drawings--Upper Level20 Questions
Exam 11: Special Circuits Owners Circuits20 Questions
Exam 12: Panelboard Selection and Installation20 Questions
Exam 13: The Electric Service and Grounding20 Questions
Exam 14: Lamps and Ballasts for Lighting20 Questions
Exam 15: Luminaires20 Questions
Exam 16: Emergency, Legally Required Standby, and Optional Standby Power Systems20 Questions
Exam 17: Overcurrent Protection: Fuses and Circuit Breakers20 Questions
Exam 18: Short-Circuit Calculations and Coordination of Overcurrent Protective Devices20 Questions
Exam 19: Equipment and Conductor Short-Circuit17 Questions
Exam 20: Low-Voltage Remote Control20 Questions
Exam 21: The Cooling System20 Questions
Exam 22: Commercial Utility-Interactive Photovoltaic Systems20 Questions
Select questions type
Both incandescent and fluorescent recessed luminaires are marked with the temperature rating required for the ____ if more than 60 degrees C.
Free
(Multiple Choice)
5.0/5
(38)
Correct Answer:
C
Recessed luminaires are usually supported by ____ that are attached to the luminaires' rough-in box.
Free
(Multiple Choice)
4.8/5
(40)
Correct Answer:
C
Describe the rules governing the disconnecting means for fluorescent luminaires.
Free
(Essay)
4.9/5
(33)
Correct Answer:
NEC 410.130(G)requires a means shall be provided for disconnecting fluorescent luminaires that have double-ended lamps and ballast(s). This requirement is for the safety of those having to work on the luminaire, such as changing out a ballast or socket. The disconnecting means is permitted to be inside or outside of the luminaire. If outside of the luminaire, it must be within sight of the luminaire.
Two-wire branch circuit: The disconnecting means is required to disconnect the ungrounded conductor supplying the ballast.
Multiwire branch circuit: The disconnecting means is required to simultaneously disconnect all conductors supplying the ballast, including the grounded conductor.
Incandescent, open, or ____ lamps in lampholders; pendant luminaires; and pendant lampholders are not permitted in clothes closets.
(Multiple Choice)
4.8/5
(43)
For surface-mounted and pendant-hung luminaires, support rods should be placed so that they extend about ____ in. below the finished ceiling.
(Multiple Choice)
5.0/5
(25)
____ that have the light source completely enclosed are permitted in clothes closets.
(Multiple Choice)
4.8/5
(37)
Type ____ luminaires are permitted to be installed in direct contact with thermal insulation.
(Multiple Choice)
4.8/5
(40)
A(n)____ branch circuit must supply only line-to-neutral loads if the luminaires are connected line-to-neutral.
(Multiple Choice)
4.9/5
(46)
What are the stipulations relevant to lamps in new energy conservation laws that have been enacted in some states?
(Essay)
4.9/5
(37)
Both Type THWN-2 and Type ____ conductors have an insulation temperature rating of 90 degrees Celsius and generally meet the temperature requirement for connecting luminaires.
(Multiple Choice)
4.7/5
(37)
Recessed luminaires should be securely fastened to the ceiling framing members using bolts, screws, or ____.
(Multiple Choice)
4.9/5
(41)
Most fluorescent lamps with energy savings ballasts, compact fluorescent lamps (CFLs), LEDs, and halogen lamps meet high-efficacy requirements. ____ do not.
(Multiple Choice)
4.7/5
(43)
Recessed incandescent luminaires not marked Type IC and those marked for installing directly in ____ must not have insulation over the top of the luminaire.
(Multiple Choice)
4.7/5
(40)
For fluorescent and HID luminaires, the volt-ampere allowance is based on the rating of the ____.
(Multiple Choice)
4.8/5
(40)
It is necessary that the illumination of a building comply with energy codes. These codes usually evaluate the illumination on the basis of the average ____ per square foot (meter)of illumination load.
(Multiple Choice)
4.8/5
(32)
Beginning with the 2008 edition of the National Electrical Code , the term luminaire is used exclusively. Previous editions of the NEC used the term luminaire followed by the term ____ in parentheses.
(Multiple Choice)
4.8/5
(37)
What are the guidelines for recessed incandescent luminaires not marked IC?
(Essay)
4.8/5
(35)
The installation of luminaires, lighting outlets, and supports is covered in Article 410 of the NEC . Article 410 sets forth the basic requirements for the installation, commonly referred to as the "____."
(Multiple Choice)
4.9/5
(43)
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)