The PLF-15 Powerline Filter is a plug-in device designed to reduce electrical noise generated by certain electrical devices from reaching the powerline which might interfere with PulseWorx products’ ability to communicate with one another. The PLF-15 comes with a power cord that is designed to be plugged into a standard electrical outlet with the noisy electrical device plugged into it. The PLF-15 is rated for 120VAC electrical devices that draw 15 amps or less. It contains two electrical outlets for plugging in multiple devices or power strips.