Why? If you're going to be doing any work on the electrical, you should be shutting off the entire circuit at the breaker, regardless of whether the bulb is con

Why? If you're going to be doing any work on the electrical, you should be shutting off the entire circuit at the breaker, regardless of whether the bulb is controlled by a switch or some fancy home automation system, just in case you or someone else in the house or an automated system absentmindedly turns on the bulb. From a safety perspective, how the bulb is controlled is irrelevant.