Journeyman Electrician’s Exam Journeyman Electrician's Lighting and Luminaires 3

Question 1

The minimum load for show window lighting shall be calculated at:

Accepted Answer

200 volt-amperes per linear foot

Answer

NEC 220.43(A) requires that show windows be calculated at a minimum of 200 volt-amperes per linear foot, measured horizontally along the base of the show window.

Question 2

An outlet box used to support a ceiling-suspended (paddle) fan must be:

Accepted Answer

Listed and marked for use with ceiling-suspended (paddle) fans

Answer

NEC 314.27(D) requires outlet boxes that support paddle fans to be listed and marked for use with ceiling-suspended fans because they must withstand the unique dynamic loading and vibration produced by a rotating fan.

Question 3

A recessed luminaire identified as Type IC (insulation contact rated) is permitted to:

Accepted Answer

Be installed in direct contact with thermal insulation

Answer

IC-rated luminaires are listed and tested to be installed in direct contact with thermal insulation without creating a fire hazard, eliminating the clearance requirements that apply to non-IC fixtures.

Question 4

In a polarized luminaire, the screw shell of the lampholder must be connected to:

Accepted Answer

The grounded (neutral) conductor

Answer

NEC 410.54 requires the screw shell of a polarized lampholder to be connected to the grounded (neutral) conductor, ensuring only the center contact is energized and reducing shock risk during lamp replacement.

Question 5

An outlet box installed in an outdoor location exposed to rain must be:

Accepted Answer

Listed for use in wet locations

Answer

NEC 314.15 requires that outlet boxes installed in wet locations be listed for use in wet locations and installed so that moisture cannot enter or accumulate within the box.

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Practice Test

Journeyman Electrician’s Exam Journeyman Electrician's Lighting and Luminaires 3