“It’s not the heat, it’s the humidity.” Here in the dog days of summer, I am reminded of that old phrase about humidity being the true source of discomfort, not the heat. I might sound a little lame talking about the weather, but since I got my first pair of bifocals this week at the age of 42, I think I’m allowed to crack an old man joke or two.

Let’s take that old phrase and apply it to lighting controls. “It’s not the heat, it’s the humidity” turns into, “it’s not the batteries, it’s the [blank]”