*Question G4C11:
What technique helps to minimize RF “hot spots” in an amateur station?*  

*Correct Answer is  C: Bonding all equipment enclosures together*  

### AI Response: (may contain errors)  

To minimize RF “hot spots” in an amateur station, the correct technique is:

**C: Bonding all equipment enclosures together.**

### Explanation of the Correct Answer:
- **Bonding all equipment enclosures together** helps to create a common ground reference for all equipment. This reduces the potential for RF interference and ensures that any stray RF energy is directed to ground rather than radiating from the equipment. By connecting all enclosures, you minimize the differences in potential that can lead to RF "hot spots."

### Why the Other Choices are Incorrect:
- **A: Building all equipment in a metal enclosure**  
  While a metal enclosure can shield equipment from external RF interference, it does not address the issue of RF energy generated within the station itself. If the enclosures are not properly bonded, they can still create hot spots.

- **B: Using surge suppressor power outlets**  
  Surge suppressors protect against voltage spikes but do not directly address RF interference or hot spots. They do not provide a solution for grounding or bonding equipment.

- **D: Placing low-pass filters on all feed lines**  
  Low-pass filters can help reduce unwanted RF signals from being transmitted or received, but they do not eliminate hot spots caused by improper grounding or bonding of equipment. They are more about filtering frequencies rather than addressing RF energy buildup.

### Useful Rules of Thumb:
- Always ensure that all equipment enclosures are bonded to a common ground to minimize RF interference.
- Use proper grounding techniques to reduce RF noise and improve overall station performance.
- Regularly check connections and grounding to maintain an effective RF environment.

By following these practices, you can effectively minimize RF hot spots in your amateur radio station.