Home Assistant: Always On Switch

always_on_switch.yaml

blueprint:
  name: Always On Switch
  description: Keep the selected switch on, even when it is turned off. This should be used for switches you never want to be turned off.
  domain: automation
  input:
    target_switch:
      name: Target Switch
      description: The switch that will always be kept on.
      selector:
        entity:
          domain: switch

mode: single
max_exceeded: silent

trigger:
  - platform: homeassistant
    event: start
  - platform: state
    entity_id: !input target_switch
    to: "off"

action:
  - service: switch.turn_on
    entity_id: !input target_switch