Along with the convenience of gas powered hedge trimmers comes the precautions of needed for their safe operation. Trimmers powered by electric motors have certain safety concerns such as using them in wet surroundings and insuring the extension cords are kept clear of the cutting blades. On the other hand, gas powered hedge trimmers also require some different safety considerations as for the most part they will not simply shut down if something gets jammed in the blades.

With most electric trimmers, if a branch is too big or some other hard object, such as the operator's finger gets stuck in the blade a safety switch will automatically cut power, turning the machine off. With gas powered hedge trimmers, there is no such safety device and the blades will continue to do their job until the operator hits the off switch. For some users, the only advantage to using gas powered hedge trimmers is being able to run them without being tied to a nearby electrical outlet, but cordless units have put an end to that argument.

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