vehicle supply equipment and shall remain
Table 625.29(D)(1) Minimum Ventilation Required in Cubic Meters per Minute (m 3/min) for Each of the Total Number of
Electric Vehicles That Can Be Charged at One Time
Branch-Circuit Voltage
(5)
Branch- Single Phase 3 Phase
Circuit
Ampere 240 V or 208 V or 480 V or 600 V or
Rating 120 V 208 V 120/240 V 208Y/120 V 240 V 480Y/277 V 600Y/347 V
15 1.1 1.8 2.1
20 1.4 2.4 2.8 4.2 4.8 9.7 12
30 2.1 3.6 4.2 6.3 7.2 15 18
40 2.8 4.8 5.6 8.4 9.7 19 24
50 3.5 6.1 7.0 10 12 24 30
60 4.2 7.3 8.4 13 15 29 36
100 7.0 12 14 21 24 48 60
150 — — — 31 36 73 91
200 — — — 42 48 97 120
250 — — — 52 60 120 150
300 — — — 63 73 145 180
350 — — — 73 85 170 210
400 — — — 84 97 195 240
Table 625.29(D)(2) Minimum Ventilation Required in Cubic Feet per Minute (cfm) for
Each of the Total Number of Electric Vehicles That Can Be Charged at One Time
Branch-Circuit Voltage
Single Phase 3 Phase
Branch-Circuit
Ampere
240 V or 208 V or 480 V or 600 V or
Rating 120 V 208 V 120/240 V 208Y/120 V 240 V 480Y/277 V 600Y/347 V
15 37 64 74
20 49 85 99 148 171 342 427
30 74 128 148 222 256 512 641
40 99 171 197 296 342 683 854
50 123 214 246 370 427 854 1066
60 148 256 296 444 512 1025 1281
100 246 427 493 740 854 1708 2135
150 — — — 1110 1281 2562 3203
200 — — — 1480 1708 3416 4270
250 — — — 1850 2135 4270 5338
300 — — — 2221 2562 5125 6406
350 — — — 2591 2989 5979 7473
400 — — — 2961 3416 6832 8541
energized during the entire electric vehicle charging cycle. Electric vehicle supply equipment shall be marked in accordance with 625.15. Electric vehicle supply equipment receptacles rated at 125 volts, single phase, 15 and 20 amperes shall be marked in accordance with
625.15(C) and shall be switched, and the mechanical ventilation system shall be electrically interlocked through the switch supply power to the receptacle.
625.30 Outdoor Sites. Outdoor sites shall include but not be limited to residential carports and driveways, curbside, open parking structures, parking lots, and commercial charging facilities.
(A) Location. The electric vehicle supply equipment shall be located to permit direct connection to the electric
vehicle.
(B) Height Unless specifically listed for the purpose and location, the coupling means of electric vehicle supply equipment shall be stored or located at a height of not less than 600 mm (24 in.) and not more than 1.2 m (4 ft) above the parking surface.