Live wire

>older robots required much higher voltages to function
>old, rotted wiring on aging robots can lead to certain parts of the robot being electrically charged, and electrocuting anyone who happens to touch it

>an older model of nandroid end up having her insulation failing
>thankfully her ward isn't a child anymore so she don't risk injuring them
>she can still move and do chores pretty well, she just gave to put on rubber gloves for some tasks
>instead of lamenting her fate, she cover up with insulating clothes, that she actually manage to make look quite dashing
>it actually made her into a better bodyguard than recent nandroids; instead of spraying mace, which is now expected, she can just grab the assailant and make their body seize up
>she's treated with caution by other nandroids, but she do party tricks by lighting up little lamps and nobody mind much, she's wearing protective clothing after all
>having much more free time now that her entourage is adult and she can't do some tasks properly, she become somewhat of a vigilante
>she prowl around innocently, and when she find something dangerous hapenning she just zap the offender into submission
>there have been a 100% less crime when nandroids are around, because criminals can't tell the difference between her and an up to date nandroid