1 way plug key set for lab physics experiment apparatus instrument set for school or college laboratory.
Thank you for reading this post, don't forget to subscribe!- It is a basic electric switch with two terminals for the circuit to use in physics lab experiments.
- A strong base of PVC with rust resistance terminals and one plug key for making or breaking the circuit.
- The plug key completes the circuit for current to flow and when it is removed circuit breaks.Â
