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Two years ago I installed a 175w mercury vapor light on the pole in front of my house. It was old unopened stock from a warehouse and had probably been sitting for ten years.
About a year ago I noticed the light would flicker every 30 seconds or so; no power elsewhere would flicker so I know it was limited to that light. It did this for a year. Finally yesterday the fixture didnt come on at all. I know there is power to it because I checked the junction box at the base of the pole.
My question is, where do I start? Should I change the bulb, the photocell, or assume the ballast is toast and just replace it? It's 35 feet up in the air so it's going to be a PITA whatever I do haha.
The old fixture was from the early 70s and worked fine until a lightning storm got it a few years back.....
About a year ago I noticed the light would flicker every 30 seconds or so; no power elsewhere would flicker so I know it was limited to that light. It did this for a year. Finally yesterday the fixture didnt come on at all. I know there is power to it because I checked the junction box at the base of the pole.
My question is, where do I start? Should I change the bulb, the photocell, or assume the ballast is toast and just replace it? It's 35 feet up in the air so it's going to be a PITA whatever I do haha.
The old fixture was from the early 70s and worked fine until a lightning storm got it a few years back.....