Design Load

The actual, expected load or loads that a device or structure will support in service.

DES

Data Encryption Standard. DES is an encryption, method that uses an algorithm for private key encryption, in which the sender uses the same private key as the recipient uses to decode it.

Derating

Calculations that reduce standard tabulated ratings based, generally based on ambient temperature or proximity to a heat source.

Depth of Discharge

The portion of the nominal capacity from a cell or battery taken out during each discharge cycle, expressed in percent. Shallow Depth of Discharge is considered as 10% or less. Deep Discharge is considered 50% or more.