Definition. A nucleic acid that contains the genetic instructions used in the development and functioning of all modern living organisms. DNA's genes are expressed, or manifested, through the proteins that its nucleotides produce with the help of RNA.
Intelligent transfer switch. A transfer switch is an electrical switch that switches a load between two sources. Some transfer switches are manual, in that an operator effects the transfer by throwing a switch, while others are automatic and switch when they sense one of the sources has lost or gained power.
Single-Break: Mechanism that transfers one contact. Single Throw Switch: A single throw switch is a switch by means of which the circuit can be opened or closed by moving the switch blade into or out of one set of contacts only. Snap Action: The abrupt transfer of contacts from one position to another.