EVITP EV Charging Standards

Question 1

What are the three levels of EV charging?

Accepted Answer

Level 1 (120V AC), Level 2 (240V AC), and Level 3/DC Fast Charging

Answer

Level 1 uses standard 120V outlets, Level 2 uses 240V, and Level 3 provides high-power DC directly to the battery.

Question 2

What connector type is standard for Level 2 charging in North America?

Accepted Answer

SAE J1772

Answer

SAE J1772 is the North American standard for Level 1 and Level 2 AC charging.

Question 3

What is the NEC article governing EV charging installations?

Accepted Answer

Article 625

Answer

NEC Article 625 specifically covers Electric Vehicle Power Transfer Systems.

Question 4

What is the continuous load rule for EV charging?

Accepted Answer

Circuit breaker must be rated at 125% of maximum load

Answer

EV charging is a continuous load requiring 125% circuit rating.

Question 5

What is a CCS connector?

Accepted Answer

Combined Charging System adding DC pins to J1772 for fast charging

Answer

CCS combines J1772 AC connector with DC fast charging pins.

(EVITP) Electric Vehicle Infrastructure Program Practice Test