If you encounter a downed power line, it is crucial to prioritize safety. First, keep a safe distance from the downed line, as it may still be energized and pose a significant risk of electric shock or fire. You should avoid touching the line or anything in contact with it, including puddles of water that may be near the area. Next, it is advisable to warn others nearby to stay away from the downed power line. If safe to do so, you can call local emergency services or the appropriate authorities to report the situation. While Nevada Power does not handle direct emergency calls, they provide information on their website that may include contact details for situations like this. It is always best to gather as much information as possible and allow professionals to handle the situation safely and efficiently. Your safety and the safety of those around you is the most important consideration in these circumstances.