[id:power-off](Make sure that power to the fixture where you are installing the light bulb is turned OFF.)
Declaring a conref would require giving the topic a fixed id in order to have a path for referencing in DITA-compatible syntax.
Make sure that power to the fixture where you are installing the light bulb is turned OFF [ph:ppe](and that you are wearing your personal protective equipment)
# Installing the network {#install}
This would make the YAML-based id system proposed in our committee note obsolete.
# Installing the network {.highlight}
[conref:low-power.html#low-power/power-off]
or
[conref:low-power.md#low-power/power-off]
or
[conref:low-power.dita#low-power/power-off]