Compatible with our 240V and 24V festoon strings, use this 3-Way Y-Shaped Splitter to connect 3 separate lengths of festoon strings together on a single dimmer for an enhanced festoon string display. Rated at IP65, this Y-Shaped Splitter is guaranteed waterproof and weather proof—perfect for outdoor (even indoor) use. Also available in 2-Way Y-Shaped version to connect 2 lengths of festoon strings.