Duck Checked

Exact-system checker

Will these strings work with this controller?

Same-looking connectors can carry different voltage, polarity, data, and current. Exact documentation wins every argument.

Display result

The same plug can still be the wrong system

Voltage, connector, protocol, location rating, and wattage all have to agree.

    Location rating travels with every part

    An outdoor-rated string does not make an indoor-only controller, connector, power supply, or extension suitable for weather.

    Current references: UL on indoor and outdoor decorative-light markings and CPSC extension-cord requirements.

    Duck's call

    What to do next

    Check documented voltage, connector, protocol, string count, power, and ecosystem limits.

    Leave this page with

    A clear pass, fail, or still-needs-checking answer for every connection.