本指南涵盖了系统电压为1000 V（ac）或1500 V（dc）或更低的电动汽车基础设施浪涌保护装置的应用。本文件为北美类型的电动车辆供电设备（EVSE）和符合SAE J1772地面车辆推荐规程的电动车辆（EV）提供了指南。

The document encompasses the application of surge-protective devices for electric vehicle infrastructure with system voltages of 1000 V ac or 1500 V dc or less. The document provides guidance for North American types of electric vehicle supply equipment (EVSE) and electric vehicles (EVs) that conform to the SAE J1772: 2001.