Exam 15: Luminaires

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Both incandescent and fluorescent recessed luminaires are marked with the temperature rating required for the ____ if more than 60 degrees C.

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C

Recessed luminaires are usually supported by ____ that are attached to the luminaires' rough-in box.

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C

Describe the rules governing the disconnecting means for fluorescent luminaires.

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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.

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For surface-mounted and pendant-hung luminaires, support rods should be placed so that they extend about ____ in. below the finished ceiling.

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____ that have the light source completely enclosed are permitted in clothes closets.

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Type ____ luminaires are permitted to be installed in direct contact with thermal insulation.

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A(n)____ branch circuit must supply only line-to-neutral loads if the luminaires are connected line-to-neutral.

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What are the stipulations relevant to lamps in new energy conservation laws that have been enacted in some states?

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Why are there special requirements for clothes closets?

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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.

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Recessed luminaires should be securely fastened to the ceiling framing members using bolts, screws, or ____.

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What are the requirements for multiwire branch circuits?

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Most fluorescent lamps with energy savings ballasts, compact fluorescent lamps (CFLs), LEDs, and halogen lamps meet high-efficacy requirements. ____ do not.

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Recessed incandescent luminaires not marked Type IC and those marked for installing directly in ____ must not have insulation over the top of the luminaire.

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For fluorescent and HID luminaires, the volt-ampere allowance is based on the rating of the ____.

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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.

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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.

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What are the guidelines for recessed incandescent luminaires not marked IC?

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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 "____."

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