How many terminals are available for connection in a single-pole, two-way switch?
Three terminals
The terminal count of a switch follows directly from what it has to connect: single-pole means one incoming line is controlled, and two-way means that line can be sent to either of two alternative outputs.
The single pole needs one common terminal where the incoming conductor is fixed.
The two-way action needs two further terminals, one for each of the two paths the common can be connected to.
Adding these gives one common plus two selectable terminals, a total of three terminals available for connection.
This is exactly the arrangement used in staircase or two-point control, where a pair of such switches lets a lamp be operated from two places.
Counts of two, four or five do not match a single common feeding two alternatives, so they cannot be right for this switch.
Hence, the answer is Three terminals.
Similar Questions
Why is the control circuit typically wired separately from the power circuit in electrical schematic drawings?
In a climate-controlled laboratory where aesthetics and minimal electromagnetic interference are priorities, which wiring system is most appropriate?
A technician needs to select a wire for connecting a 230V control circuit inside a panel. Which specification is most important for this application?
Which wiring system is technically unsuitable for permanent commercial electrical installations due to its temporary mechanical support arrangement and low durability?
Which of the following parameters must be tested according to quality standards before commissioning a solar power plant?
Why is it important to estimate the voltage drop when determining cable size in industrial installations?
Which type of wire is recommended for heavy current carrying in main distribution boards?
A panel has wires labeled with cable markers like 1A, 1B, 2A, 2B. What does this labeling system most likely indicate?
Which symbol is commonly used in wiring diagrams to represent a single-pole switch?
Which type of commercial wiring system uses low-resistance copper conductors of suitable current-carrying capacity to distribute electrical power to lighting circuits and socket outlets?
Important Questions from Domestic and Industrial Wiring
Which of the following wiring is commonly used in commercial and industrial wiring?
Which of the following wiring systems has the longest life span?
IE Rule 67 stands for:
Which of the following IE rules stands for "Danger Notices"?
PVC insulated non sheathed single core cables are most preferably used in:
