(Assumes FxxF toto).
Finally got around to checking this. 

Shiny Electrodes:
2AAA, 6AAA, AAAA, EAAA   (0 hp 10 def 10 spec def)
3AAA, 7AAA, BAAA, FAAA   (8 hp 10 def 10 spec def)

Standard Electrode Ranges: (not taking out shiny to do non-shiny range because fuck that shiny electrodes are such a small fraction)
Surf 98.4
Strength 93.5

Shiny Electrode Ranges:
Surf 100
Strength 100

They might be above average (barely) but they aren't top tier so they don't live, so strength is the strat. 

So you want to surf the first one assuming it is not shiny (surf, strength, strength) in case the other two are both shiny because you want to use the strengths on shiny. If all three are shiny use strength all three, surf an extra exec koffing and icepunch the underground golbat.

Good try gunnermania c3.

Average timesave vs gunner's surf strat: ~1/400 of a frame
Timesave vs panicking and running from it is higher.