Final answer:
The safety concern when handling HID headlight bulbs is electrocution.
Step-by-step explanation:
The safety concern when handling HID headlight bulbs is electrocution.
HID headlight bulbs contain high voltage electrical components, and improper handling can result in electric shock. It is important to always wear proper protective gear, such as rubber gloves or insulated tools, when working with HID bulbs to minimize the risk of electrocution.