Questions and Answers for Feit Electric 4 ft. 15-W G13 Type AB T8 Plug and Play Or T8/T12 Ballast Bypass Linear LED Tube Light Bulb, Daylight 5000K (10-Pack)

A:  Thank you for your question, yes this bulb can be used if you bypass the ballast. Some rewiring required.

A:  Thank you for your question, we do not carry this in a 2 pack at this current time. We will share your request with our retail partner.

A:  Thank you for your question, these units are frosted.

A:  Thank you for your feedback, we are sorry to hear about the issue with your Feit Electric product, at your convenience feel free to send us an email for assistance, you can reach us at info@feit.com or visit our website for trouble-shooting tips and self-help options.

A:  Thank you for your question, yes these will replace a T12 bulb.

A:  Thank you for your question. This unit is not recommended for emergency lighting.

A:  Thank you for your question, these bulbs are non-dimmable.

A:  Thank you for your question, this unit for both plug and play operating with a ballast voltage or direct wire with 120 voltage.

A:  There are a lot of 277v applications in the US. Almost all 3 phase wiring has 277v applications and yes this bulb will work with 277 according to its specifications.

A:  no one in the US has 277v power, it's 220-240. However, the specs for the Feit bulbs are: Ballast Bypass • Dual-end direct wiring • AC 120-277V • UL Listed • FCC Compliant • RoHS compliant • T8 • Shop / Garage / Laundry room Lighting • Use only 18W (32W Equivalent) • G13 Base • Non-Dimmable • 5000K Daylight • No Flickering • Instant-on to Full Brightness • Upto 35,000 hours lifetime • 100% mercury free