TekTone's SS102A Class 2 Transformer offers compact, easy-to-install low voltage AC power sources for use with various TekTone intercom systems. The transformer is a UL Listed Class 2 transformer and will safely take itself offline when overheated. The transformer is constructed for easy surface installation or in a standard 1/2" knockout, and may be used in plastic or metal boxes. Primary wire connections are made using the pre-stripped pigtails and ground wire; secondary connections are made using screw terminals.