HOLT Electricians Practice Exam

Which requirement is true about seals in conduit runs for gas stations?

1. Seals are not required

2. Seals must be located at the exit of all circuits

3. Approved seals are required at each conduit run entering or leaving a dispenser

4. Seals are only required for underground installations

The correct answer is: Approved seals are required at each conduit run entering or leaving a dispenser

The requirement that approved seals are needed at each conduit run entering or leaving a dispenser is established to ensure safety and prevent the potential escape of flammable vapors, which can be a significant hazard in gas stations. This regulation is especially important because dispensers are directly connected to fuel systems that handle volatile substances. Seals help to contain any leaks that might occur in the conduit, protecting both the environment and the safety of personnel and customers. The requirement emphasizes the importance of maintaining a sealed environment around conduits that might interact with fuel dispensing systems, where vapors could build up and pose a risk of ignition. By ensuring proper sealing at these transition points, code compliance is upheld, and the overall risk of fire hazards is minimized. In contrast, options suggesting that seals are not required or only needed in specific scenarios do not align with the best practices of safety within the petroleum industry. Proper sealing at conduits is a crucial element of safety protocols designed to mitigate risks associated with hazardous materials.