12V Power Outlets Amphenol Casco 12V Power Outlets are designed for use in automotive applications. They provide 20MΩ minimum isolation resistance with power ratings of 30A maximum at 13.8VDC for the 216481 module and 15A maximum for the 217825C version. Amphenol Casco 12V Power Outlets feature a Nylon 66 insulator and have an operating temperature range of -30°C or -40°C to +85°C.