EVITP Infrastructure Planning and Development 3

Question 1

Which NEC article primarily governs the installation of electric vehicle charging systems in commercial occupancies?

Accepted Answer

Article 625

Answer

NEC Article 625 covers electric vehicle charging systems, including equipment requirements and installation methods.

Question 2

A developer plans a 50-unit multifamily building with EV readiness. Which approach aligns with California's Title 24 EV-ready requirements?

Accepted Answer

Provide conduit, wiring, and panel capacity for 10% of spaces as EV-ready

Answer

California Title 24 requires EV-ready spaces—conduit, wiring, and panel capacity—for a percentage of multifamily parking stalls.

Question 3

When sizing a service panel for a new EVSE installation, NEC 625.42 requires continuous-load calculations at what percentage of the EVSE rated current?

Accepted Answer

125%

Answer

NEC 625.42 requires EVSE branch circuits to be rated at 125% of the continuous EV charging load for safety margin.

Question 4

A site survey reveals underground utilities crossing the planned trench route for EVSE conduit. What is the required first step before excavation?

Accepted Answer

Call 811 (Call Before You Dig) for utility locates

Answer

Calling 811 before digging is federally mandated to locate buried utilities and prevent dangerous strikes.

Question 5

Which interconnection agreement is typically required when a site pairs EVSE with a behind-the-meter battery energy storage system that may export power?

Accepted Answer

Net Energy Metering (NEM) or export interconnection agreement

Answer

Storage systems capable of exporting energy require a net metering or export interconnection agreement with the utility.

(EVITP) Electric Vehicle Infrastructure Program Practice Test

(EVITP) Electric Vehicle Infrastructure Program Practice Test

EVITP Infrastructure Planning and Development 3