Class 2 Signaling Transformer for Low-Voltage Power
https://hotfix.nsiindustries.com/product/class-2-signaling-transformer-for-low-voltage-power-2/
Bridgeport Class 2 Signaling Transformers provide convenient, low-voltage power in commercial, residential and industrial purposes and mount in a standard knockout or to a surface. Built to the high standards of Bridgeport for professional users.