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Unlike devices, you do not have the choice of suffering the strain of extra effort when improving equipment, the equipment always takes the strain.
When you acquire a Device choose whether the strain of using extra effort applies to you or the Device itself (see Extra Effort, M&M, page 120). If it applies to you, follow the normal extra effort rules. If it applies to the Device, then using extra effort to enhance the Device’s traits places stress on its construction or systems. A “fatigued” Device loses 2 power points from each of its effects. An “exhausted” Device loses 6 power points from each of its effects, and a Device pushed beyond exhausted is disabled and stops working. The modifiers last until the Device is repaired (a simple or moderate repair task, respectively, see the Craft skill, M&M, page 45).
I've spent the last 30 minutes looking through the 3E Hero's Handbook, and for the life of me, I can't find the rules for using Extra Effort with Devices. Could anyone tell me what page that's on?
Thank you in advance!