Number 30 Simple Clip Art Illustration 2142346033 Shutterstock Vector illustration of number 30 with a crown on the top Thirtieth Premium Vector Happy birthday years 30 anniversary of the birthday Gold number 30 in the foreground with gold confetti falling and. 30 Pack T 1 3 4 Miniature Incandescent Lamp with Bayonet Base Lamp Volts: 28 Amps: 0. 17 Mean spherical candlepower: 3. 5 Life Hours: 500 Each bulb measures about 10mm in diameter and 13. 3mm in height (not including the base) 30 pack T 3 1 4 Incandescent Lamps with Miniature Bayonet Base, each with a rating of 28 volts, 0. 17 amps, and 3. 50 candle power. The lamps feature a C 2F filament shape and promise an average life of up to 500 hours. Each bulb measures about 10mm in diameter and 13. 3mm in height (not including the base).