Goedendag ;-)

"The spark is your friend." © ;-) www.CastleCreations.com.

No spark, then input capacitors are dead, and rest of controller will
soon follow, preferably taking plane down with it of course :-(
Explanation:
https://www.rcgroups.com/forums/showthread.php?952523-too-long-battery-wires-will-kill-ESC-over-time-precautions-solutions-workarounds

On the other hand, too big a spark is bad for connectors,not to
mention my nerves.
Solution: use a cheap extra sacrificial connector.

The extra/very thin wire will reduce current, no need for resistor.
You'll still hear a (weaker) spark as an 'capacitors ok'
signal/indication.
Diagram:
https://static.rcgroups.net/forums/attachments/3/0/1/8/a9023874-26-mgm-compro_anti-spark.jpg

Prettig weekend ;-) Ron van Sommeren
chez Nijmegen, Nederland
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