They say that water and electricity don't mix.
However, the Raetihi Gutbuster event is finding they work together quite nicely.
"Major new sponsorship from Veolia, the water company, means we can have electronic timing again for our annual event," organiser Lucy Conway said.
Hopefully no sparks will fly as things get going for the eighth running of this Easter celebration starting at 11am on April 1.
"Relying on computer timing is nerve-wracking, but means a lot less stress for our volunteers," Ms Conway said.