The SCTE and Alpha Technologies are teaming up to present a course on DC backup powering for facilities serving cable networks."DC Power - Level 1" is designed to provide facilities and infrastructure professionals with the hands-on training needed to gain technical knowledge of DC power (-48 VDC). The two-day course will cover safety; theory and mathematics; design; application; monitoring; batteries; maintenance; and operation of DC power systems and components.It's scheduled for July 30-31 at Alpha Technologies' Suwanee, GA, facility. Class size is strictly limited to 12 people. Information is available at http://www.scte.org/DCPower/.