Which term refers to a switch with two poles and a single throw?

Which term refers to a switch with two poles and a single throw?

• A. DPST
• B. DPDT
• C. Micro Switch
• D. Relays

Answer: (A)

Understanding switches by how many circuits they control (poles) and where they can connect (throws) helps you match the term to the configuration. A switch with two poles means it can control two separate circuits at the same time, and a single throw means each pole has only one output position to connect to. Put together, two independent circuits are switched in one action, each connecting to its single output — that is two poles and one throw. This is described by the term double pole single throw (DPST). It’s different from DPDT, which would have two poles and two outputs per pole (two throws), and from micro switches or relays, which describe type or broader function but not the specific pole/throw count. So the term that fits two poles and a single throw is DPST.

Understanding switches by how many circuits they control (poles) and where they can connect (throws) helps you match the term to the configuration. A switch with two poles means it can control two separate circuits at the same time, and a single throw means each pole has only one output position to connect to. Put together, two independent circuits are switched in one action, each connecting to its single output — that is two poles and one throw. This is described by the term double pole single throw (DPST). It’s different from DPDT, which would have two poles and two outputs per pole (two throws), and from micro switches or relays, which describe type or broader function but not the specific pole/throw count. So the term that fits two poles and a single throw is DPST.