# Wifi relay three phase power supply problem

**URL:** <https://community.openenergymonitor.org/t/wifi-relay-three-phase-power-supply-problem/1153>\
**Category:** WiFi Relay\
**Created:** [1 August 2016 11:22 UTC](https://community.openenergymonitor.org/t/wifi-relay-three-phase-power-supply-problem/1153 "2016-08-01T11:22:31Z")\
**Posts on this page:** 1\
**Showing post:** 31

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**Author:** ![bernamorillo](https://community.openenergymonitor.org/letter_avatar_proxy/v4/letter/b/0ea827/32.png) [@bernamorillo](https://community.openenergymonitor.org/u/bernamorillo)\
**Post date:** [7 August 2016 12:12 UTC](https://community.openenergymonitor.org/t/wifi-relay-three-phase-power-supply-problem/1153/31 "2016-08-07T12:12:48Z")

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According to the scheme of a cotact supperssor I have to introduce in the relay wire cables as this scheme shows. That’s right?

![](https://community.openenergymonitor.org/uploads/default/original/2X/5/591e987867dc6fea6f283be795f0f259b52d3391.gif)

Thanks.

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