CBD Lighting Design & Electrical Planning Flashcards

What is the primary purpose of task lighting in a bathroom design?

Answer: To provide focused light for specific activities like grooming

Task lighting provides directed illumination for specific activities such as applying makeup or shaving at the vanity.

Which color temperature (in Kelvin) is most recommended for bathroom vanity lighting to provide true color rendering for grooming tasks?

Answer: 3000K–3500K (neutral white)

A neutral white range of 3000K–3500K closely mimics natural daylight and provides accurate color rendering for grooming.

In bathroom electrical planning, what is the minimum distance a GFCI-protected outlet must be from a bathtub or shower per the NEC?

Answer: 3 feet

The NEC requires GFCI-protected outlets to be at least 3 feet from the edge of a bathtub or shower basin.

Which type of lighting fixture is best positioned at eye level on either side of a bathroom mirror to minimize facial shadows?

Answer: Vertical side-mount sconces

Vertical sconces placed at eye level on both sides of the mirror eliminate the harsh shadows created by top-only lighting.

What does the IP (Ingress Protection) rating indicate on a bathroom light fixture?

Answer: The level of protection against moisture and dust intrusion

The IP rating classifies a fixture's degree of protection against solid objects (dust) and liquids (moisture).

When designing layered bathroom lighting, which three layers are considered essential?

Answer: Ambient, task, and accent lighting

A complete bathroom lighting scheme incorporates ambient (general), task (functional), and accent (decorative/architectural) layers.