Ground fault circuit interrupters are used in asbestos projects to:

• A. Reduce electrical shock potential
• B. Increase electrical current
• C. Improve dust collection
• D. Monitor humidity

Answer: (A)

Ground fault circuit interrupters are used to reduce electrical shock potential. They monitor the current flowing in the hot and neutral conductors and trip the circuit if a small amount of current leaks out, such as through a person who is touching a live surface or tool in a damp environment. In asbestos projects, workers often handle equipment in wet or humid areas where the risk of electrical shock is higher, so quickly cutting power helps keep people safe.

This doesn’t increase electrical current, nor does it improve dust collection or monitor humidity, so those options don’t fit the purpose of a GFCI.