The fluorescent lamps and ballasts package classifies as either double-ended or single-ended lamps. Glow starters are also covered by this product. Set includes: ANSI C78.30, ANSI C78.5, ANSI/ANSLG C78.81, ANSI C78.180, ANSI C78.375, ANSI C78.376, ANSI C78.79, ANSI/ANSLG C81.61, ANSI/ANSLG C81.62, ANSI/ANSLG C81.63, ANSI C82.1, ANSI/ANSLG C82.11, ANSI C82.12, ANSI C82.13, ANSI C82.2, ANSI C82.3, ANSI C82.77.