CKD Kitchen Lighting Design 3

Question 1

Under the National Electrical Code (NEC), what type of protection is required for all receptacles serving kitchen countertop surfaces?

Accepted Answer

GFCI (Ground Fault Circuit Interrupter) protection

Answer

AFCI (Arc-Fault Circuit Interrupter) protection only

Answer

Surge protection devices

Answer

No special protection is required for countertop outlets

Question 2

The NEC (Article 210.52(B)) requires a minimum of how many 20-amp small appliance branch circuits for kitchen countertop receptacles?

Accepted Answer

Two 20-amp circuits

Answer

One 20-amp circuit

Answer

Three 20-amp circuits

Answer

Four 20-amp circuits

Question 3

Under NEC 210.52(C), what is the maximum distance along a kitchen countertop wall space that a point can be from a receptacle outlet?

Accepted Answer

24 inches (2 feet)

Answer

12 inches (1 foot)

Answer

36 inches (3 feet)

Answer

48 inches (4 feet)

Question 4

Which lighting control technology allows kitchen lighting scenes to be programmed and automatically adjusted based on time of day or occupancy?

Accepted Answer

Smart home / programmable dimmer system

Answer

Standard three-way switch system

Answer

Single occupancy sensor with fixed settings

Answer

Manual single-pole dimmer only

Question 5

In kitchen electrical planning, what defines a 'dedicated circuit'?

Accepted Answer

A circuit that serves only one specific appliance or area

Answer

A circuit shared between the kitchen and an adjacent dining room

Answer

Any circuit protected by both GFCI and AFCI devices

Answer

A 240-volt circuit exclusively

Question 6

What is the key energy efficiency advantage that makes LED recessed fixtures the preferred specification for kitchen lighting over incandescent sources?

Accepted Answer

LEDs use up to 75% less energy and last up to 25 times longer than incandescent

Answer

LEDs are always less expensive to purchase upfront

Answer

LEDs provide lower CRI than incandescent, reducing glare

Answer

LEDs are mandated by the NEC in all kitchen applications nationwide

Question 7

When a kitchen remodel project is located in California, which state-specific energy code must the lighting designer comply with regarding fixture efficacy?

Accepted Answer

California Title 24 Energy Code

Answer

IECC (International Energy Conservation Code) only

Answer

ASHRAE 90.1 Commercial Standard

Answer

NEC Article 220 Lighting Loads