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

150 volt-amperes per linear foot

Answer

180 volt-amperes per linear foot

Answer

250 volt-amperes per linear foot

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

A 4-inch square metal box rated for the fan's total weight

Answer

A metallic box secured to a structural joist with lag screws

Answer

Rated for at least 70 pounds of static weight

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

Operate at higher lamp wattages than non-IC rated fixtures

Answer

Be used in wet locations without an additional wet location listing

Answer

Serve as a junction box for branch circuit conductors

Question 4

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

Accepted Answer

The grounded (neutral) conductor

Answer

The ungrounded (hot) conductor

Answer

The equipment grounding conductor

Answer

Either conductor at the electrician's discretion

Question 5

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

Accepted Answer

Listed for use in wet locations

Answer

Metallic and corrosion-resistant

Answer

Made of plastic to resist moisture damage

Answer

Made of fiberglass to prevent corrosion

Question 6

A luminaire installed in a Class I, Division 1 hazardous location must be:

Accepted Answer

Listed for the specific class, division, and group of the hazardous location

Answer

Explosion-proof for all Class I hazardous locations regardless of group

Answer

Connected to a dedicated circuit with GFCI protection

Answer

Installed in rigid metal conduit (RMC) regardless of the division

Question 7

Emergency lighting required by NEC Article 700 must provide a minimum average illumination at the floor level along the path of egress of:

Accepted Answer

1 foot-candle average with 0.1 foot-candle minimum at any point

Answer

0.5 foot-candle average with 0.05 foot-candle minimum at any point

Answer

5 foot-candles average with 1 foot-candle minimum at any point

Answer

10 foot-candles throughout the entire path of egress