2-Light Wall Sconce QUATTRO Low Voltage - Series 306 in Birch. The elegant ensemble of square modules features a choice of chrome, glass, or birch wood trimming which may be custom-stained. Each individual module is finished with a pane of clear tempered glass with a perfectly square sand-blasted center. The QUATTRO Series Wall Sconces offered in both line and low voltage versions, is ADA compliant. A matching single-light pendant in low voltage is available.2-Light Wall Sconce QUATTRO Low Voltage - Series 306. Square Bar with Accent. With built in electronic transformer. Bulb Base: (2) JC BI-PIN 12V 35W Included. ETL Listed. Hardwire. Dry Location.