For Electric Customers
The GU-24 design reduces the chance of electrical shock by not having an open socket. A non-threaded base on a bulb allows for shorter, more compact lamps. Many commercial applications use the GU-24 socket to help deter light bulb theft, since they are currently not used in most homes.
GU-24 bulbs are not the same as previous versions of pin-based sockets which never gained great popularity due to multiple styles and types. This made it impossible to standardize and caused confusion for the consumer.
When installing CFL light bulbs, be sure to tighten by holding the base and not the glass tubing or globe. Holding the tubing or globe when tightening could damage the bulb or cause it to break in your hand.