Journeyman Electrician Practice Exam

What is the distance from the enclosure of fuel dispensing pumps that is considered a hazardous location?

1. 10 feet

2. 15 feet

3. 20 feet

4. 25 feet

The correct answer is: 20 feet

In the context of fuel dispensing pumps and hazardous locations, the correct answer indicates that the distance considered as a hazardous location is 20 feet. This distance is based on guidelines set forth in the National Electrical Code (NEC) and other safety standards, which define the area around fuel dispensing operations where flammable vapors may accumulate. For fuel dispensing pumps, it is critical to maintain this safe distance to prevent any ignition sources from being too close to where vapors could be present. Within this 20-foot radius, special precautions and equipment may be required, including the use of explosion-proof fixtures and other safety measures, to ensure that the risk of fire or explosion is minimized. Distance requirements vary for different types of locations and installations; however, the standard set at 20 feet for fuel dispensing pumps is well recognized in ensuring safety around hazardous materials. Understanding these distances is vital for electricians to properly assess and maintain safe work conditions while adhering to electrical codes and regulations.