light intensity

It has always bothered me:  Why do we take devices that draw electrical current and install them in aquatic environments where humans get in the water?  Even if precautions are taken, isn’t this risky business? To be sure, suppliers have come up with all sorts of measures designed to protect bathers from any potential hazard, and I have nothing but praise for the ingenuity they’ve displayed in surrounding their products with safeguards that minimize concern.  But based on my own observations and experience, I must say that