Replace a defective light switch.

Replacement should include

• turning off the power to the switch and removing the fuse controlling the switch
• tagging the fuse or breaker box, indicating someone is working on the electrical system
• removing the cover plate
• removing the screws holding the switch to the box
• pulling the switch out of the box
• loosening the terminal screws and removing the wires
• reattaching the new switch to same terminal wires, ensuring the loops are clockwise
• pushing the switch back into the box and fastening it
• replacing the cover plate
• replacing the fuse and returning the power
• checking to see if the switch works. 

Process/Skill Questions:

• What are the relevant safety precautions/procedures for replacing a defective light switch?
• What are the differences in the features of three-way and single-pole switches?
• What tools and materials are required for replacing a light switch?