Can bug zappers be used indoors?

REVIEW of PALONE Brand 20 Watts 4500 Volts Bug Zapper for Outdoor and Indoor Use

Bug Zappers - InterNACHI®

Aspectek 20W Indoor Bug Zapper Includes 2 Replacement Bulbs

Are electric bug zappers safe for indoor use? - Quora

10 Effective Solutions: How to Keep Bugs Out of House

Can bug zappers be used indoors as well as outdoors? - Quora

Rechargeable Bug Zapper Review & Demo - Best Cordless Indoor/Outdoor Bug Zapper on ?

Buggin Out Bug Zapper - Up to %45 off with code

Do Mosquito Traps Work?

Black+decker Outdoor/indoor Bug Zapper : Target

Bug zapper - Wikipedia