Describe how this relay switch works to turn on the 200A circuit:
Explain why this relay circuit is keeping the user safe.
Arm
Electromagnet
Contacts
When the s____________ is pushed, the ____ volt power supply pushes _____ amps of c_____________ around the
c_______ of wire. This switches on an e_______________________.
The metal arm is made from i_____. It is then a_________________ to the e_____________________________.
This then tilts the arm and pushes the 2 c________________ together.
When these c_______________ are together, a second circuit is c_____________ and a larger _______ amp
c______________ can flow.
Reed Switches
EXTENSION:
Label this diagram to describe and explain what happens (sequence of events).
Destination Question:
Does the bulb stay on when you let go of the switch?