Instructions say water heater wiring should be equipped with a differential switch.
What's that?
What's that?
What's a differential switch?
- Thread starter studentspark
- Start date
H
holmslaw
..
P
Paul_C
Some translated instructions use the term to mean an RCD.
Differential Switch/Differential Isolator is a common (and slang) term in S/E Asia for what we call an RCD.
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