All Eaton sockets are rated 600 VAC maximum and either 100, 200 or 320A continuous. All have a minimum short circuit rating of 10000 RMS symmetrical amperes (watt hour meter is not included in rating). All single meter sockets are UL labeled and are supplied in surface mounted outdoor enclosures. Each utility determines meter socket requirements per local codes and we offer a variety of designs to meet virtually any local utility specification.