1. With the split circuit tab removed, shouldn't there be a left center contact to accomodate separate commons?
1
Yes, there is a common A and a common B. The installation guide outlines this below. If you have any additional questions, please reach out to us at (800) 223-4162 8:00 a.m.-8:00 p.m. EST or E-mail:customer.support@legrand.us and we would be happy to assist. http://pdf.lowes.com/installationguides/785007054989_install.pdf
