Patent ID: 7283369

Claim:
A power supply comprising: a chassis having an inner surface, a top, a rear, a power switch mounted pivotally on the rear, an outlet mounted on the rear; and a safety device mounted on the chassis and having a handle assembly mounted on the chassis and having a supply handle mounted pivotally on the chassis, pivoting between an installation position and a safe position and having a proximal end being a hooking end, a distal end being a handling end opposite to the hooking end, two opposite sides and a handle tab unit formed on the supply handle; and a bracket assembly mounted on the rear of the chassis and having a plug bracket mounted slidably on the rear of the chassis around the outlet between the power switch and the supply handle, sliding between an installation position and a safe position and having a first lock unit formed on the plug bracket and corresponding to the power switch, and a second lock unit formed on the plug bracket and corresponding to the handle tab unit of the supply handle; wherein: the first lock unit on the plug bracket is aligned with and covers the power switch to keep the power switch from turning on when the plug bracket slides to the installation position; and the second lock unit on the plug bracket is aligned with and covers the handle tab unit on the supply handle to prevent the supply handle from pivoting when the supply handle pivots to the safe position and the plug bracket slides to the safe position.