Instead of using the normal Par 50 exterior incandescent light that are normal for exterior lighting, use a 100watt spring bulb. This one is Fluorescent in nature, uses way less energy and last approximately 16 times longer. Hope this helps.... Plus ...
Total Olympics Medal Count: 1. Cuba --- Gold - 65; Silver - 53; Bronze - 52 : Total: 170 2. Spain --- Gold - 30; Silver - 39; Bronze - 28 : Total: 97 3. Argentina --- Gold - 15; Silver - 23; Bronze - 22 : Total: 60 4. Mexico --- Gold -10; Silver - 18...
You've already checked out the big box stores online...... and googled for exterior lighting...... Next stop is a lighting store in your city.... good luck