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(B) Receptacle
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All receptacles shall be listed and of the grounding type. Every truck parking space with electrical supply shall be equipped with 626.24(B)(1) and (B)(2).
- A maximum of three receptacles, each 2-pole, 3-wire grounding type and rated 20 amperes, 125 volts, and two of the three connected to two separate branch circuits.
Informational Note: For the non-locking-type and grounding-type 20-ampere receptacle configuration, see ANSI/NEMA WD 6-2016, Wiring Devices — Dimensional Specifications, Figure 5-20.
- One single receptacle, 3-pole, 4-wire grounding type, single phase rated either 30 amperes 208Y/120 volts or 125/250 volts. The 125/250-volt receptacle shall be permitted to be used on a 208Y/120-volt, single-phase circuit.
Informational Note: For various configurations of 30-ampere pin and sleeve receptacles, see ANSI/UL 1686-2012, Standard for Pin and Sleeve Configurations, Figure C2.9 or Part C3.
Exception: Where electrified truck parking space supply equipment provides the heating, air-conditioning, and comfort-cooling function without requiring a direct electrical connection at the truck, only two receptacles identified in 626.24(B)(1) shall be required.