1. I'm scared that... 2. I can't help thinking that... (use this for thoughts that you try to avoid, but they keep coming into your mind) 3. It's been keeping me up at night. (use this when you're so worried about something that you can't sleep) 4. What if... ? 5. Whew! 6. Thank goodness! 7. What a relief! 8. You had me worried for a moment. 9. You have no idea what a relief it is. 10. That's a huge load off my mind.
The electrical equipment must be powerful enough to be connected to your power supply. You must also see that the power supply is adjusted to the correct voltage so that it would provide all the electric power that the equipment requires in order to work properly.