Have you ever tripped the breaker at a Shorepower pedestal? In some cases, the standard 20A breaker (Pockets A&B) may be insufficient for powering all of the appliances and HVAC in a truck cab. To ensure you have plenty of power, consider carrying a 30A adapter that will allow you to plug your standard 12-gauge (or heavier) extension cord into our 30A outlet (Pocket C). These adapters come in several flavors, and can be purchased for less than five dollars. For example: http://tinyurl.com/pb6gqzr
Here is a handy chart of household appliances that you can use to add up the power requirements for your cab.