# Connecting current clamps

**URL:** <https://discourse.nodered.org/t/connecting-current-clamps/84730>\
**Category:** General\
**Created:** [19 January 2024 12:42 UTC](https://discourse.nodered.org/t/connecting-current-clamps/84730 "2024-01-19T12:42:03Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![DrJohn](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/drjohn/32/17220_2.png) [@DrJohn](https://discourse.nodered.org/u/DrJohn)\
**Post date:** [19 January 2024 12:42 UTC](https://discourse.nodered.org/t/connecting-current-clamps/84730/1 "2024-01-19T12:42:03Z")

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Any advice or suggestions on connecting current clamps to monitor power usage? In particular what hardware have folks used.

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**Author:** ![juntiedt](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/juntiedt/32/58357_2.png) [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Post date:** [19 January 2024 12:48 UTC](https://discourse.nodered.org/t/connecting-current-clamps/84730/2 "2024-01-19T12:48:12Z")

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have you ckecked [https://www.shelly.com/de/products/shop/shelly-3em-1](https://www.shelly.com/de/products/shop/shelly-3em-1)

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**Author:** ![ghayne](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/ghayne/32/39_2.png) [@ghayne](https://discourse.nodered.org/u/ghayne)\
**Post date:** [19 January 2024 12:48 UTC](https://discourse.nodered.org/t/connecting-current-clamps/84730/3 "2024-01-19T12:48:46Z")

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You might take a look here:

> **[OpenEnergyMonitor Community](https://community.openenergymonitor.org/latest)**
>
> Open-source tools for energy monitoring and analysis

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**Author:** ![Sean-McG](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/sean-mcg/32/54677_2.png) [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Post date:** [19 January 2024 14:46 UTC](https://discourse.nodered.org/t/connecting-current-clamps/84730/4 "2024-01-19T14:46:30Z")

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I have used these [PZEM004](https://www.aliexpress.com/item/1005005461285334.html)

Not the clamp type but literally just built this this afternoon 😉

 ![WhatsApp Image 2024-01-19 at 18.00.59_b7ce4aa2](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/7/d/7db017680950fc4aaabfdcc2d24e668fd9cb1019.jpeg)

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [19 March 2024 14:47 UTC](https://discourse.nodered.org/t/connecting-current-clamps/84730/5 "2024-03-19T14:47:18Z")

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