After doing some searching I managed to get it working.
On the circuit board of the electric fence:
Jumper (JP1) needs to be disconnected.
Jumper (JP2) connected.
Again on the electric fence board:
Used the keypad +- to power sonoff switch.
Wired from the sonoff switch - normally closed and...
Hello.
I need some assistance connecting sonoff smart switch to nemtek wizard 4 electric fence to just switch the fence on and off.
Anyone done this before?