National Electrical Code Top Ten Tips: Article 626, Electrified Truck Parking Spaces
When the NEC speaks of an electrified truck parking space, it's referring to the space. Not the truck. It's not talking about electrified trucks, it's talking about parking spaces that are electrified and that are for trucks.
So why would you want to electrify a parking space for a truck? Think of all the refrigerated trucks you see barreling down the interstate. These trucks are driven by people, and people have needs. They need to stop to sleep, refuel, eat, get some quick exercise, and to any of a number of other things that people need to do.
It's not just trucks with refrigerators that need electrical power. Many have heaters, because they carry livestock in severe weather, or carry flowers or other sensitive plants in chilly outdoor weather. And, of course, there are many other reasons a truck might need to maintain electrical power even while stopped for the night (or, depending on the trucker, for the day).
While the truck is sitting there, it could be running at idle to provide the power for its electrical system. But this is wasteful and it's a security problem. The truckers "could" rush around and hope the food doesn't rot while they're using the bathroom, refueling, or taking a quick walk. And maybe they could choke down their food fast enough, too. However, you can't rush eight hours of sleep. It's going to take eight hours. Thus, the truck needs an external electrical source or it has to waste fuel to power its electrical system.
That's why we have Article 626. Here are your ten tips: