The answer to 'why is my landscape lighting drainage problems' is that there are several common causes for drainage issues with landscape lighting, including improper installation, clogged drains, and damaged wiring. Symptoms may include standing water, flickering or malfunctioning lights, and erosion around the fixtures.
To troubleshoot and fix the problem, first check the drainage around the lighting fixtures. Make sure the ground slopes away from the lights and that any drainage pipes or gravel beds are clear of debris. You may need to adjust the soil grade or install additional drainage features like French drains. Also inspect the wiring for any cracks or damage that could be causing water to seep in. For more complex issues, it's best to call in a professional landscape lighting technician who can properly diagnose and repair the problem.