In the box holding the light fixture, attach the black "hot" wire from the power source to the white neutral wire of the switch loop (the one "tagged" with black electrical tape) with a correctly ...

Older homes sometimes lack a neutral wire (which is typically white) in every box where a light switch is installed. That can be big problem for smart switch upgrades, which almost universally ...

The new Decora Smart No-Neutral switch and dimmer work with Apple HomeKit, Amazon Alexa, and Google Home and join a new motion sensing dimmer and smart outlet.