What is Reddit's opinion of Extech 480172 AC Line Splitter?

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Your best bet is a clamp meter with a hot/neutral splitter. Something like this.

Extech 480172 AC Line Splitter https://www.amazon.ca/dp/B0000YHN9W/ref=cm_sw_r_cp_api_glt_i_B7F64WNTYTX4JKG02M2M

Definitely the safest and easiest route, you just need the tools to do it.

Alot of other people have already answered your questions so I'll just add that if you want a quick way to determine standard 120v appliances using the standard 5-15r receptacle, you can use a clamp meter and a plug in line splitter such as this one

https://www.amazon.ca/Extech-480172-AC-Line-Splitter/dp/B0000YHN9W

I mean you can get a line splitter and a clamp on ammeter to get an idea of what theyre drawing but it wouldnt give you actual power logging. I dont know how much servers fluctuate in power consumption though, or much about servers at all, so take that advice with a grain of salt. This would just be a cheap way to get an idea.

What are you calling a line splitter? Google is showing me these, but that doesn't make sense to me with your plug/cord/cable on each end not being CE comment. These don't have cords or cables.

> A clamp on ammeter will read 0 over a power cord. You need to clamp over a single conductor

It took me a few tries to figure out that the keyword is "line splitter" (for NEMA 5-15 in this case).

> power factor can be quite bad, but you don't pay the utility company for apparent power, you pay for real power.

You watch a few USB-C adapter reviews and it becomes clear that PFC is regulatorily required for adapters when putting out 100 Watts or more. All 100W adapters have it, no modern 65W adapters have it.

But yes, only industrial power users pay for reactive power. Inductive motor starts are historically the major culprit, I think.

Get yourself one of these time-savers for $25.

https://www.amazon.com/Extech-480172-AC-Line-Splitter/dp/B0000YHN9W

Here's me using my home-made 110 version https://imgur.com/gallery/Uo9ixQp

You could also make one for 220.

Extech 480172 AC Line Splitter https://www.amazon.ca/dp/B0000YHN9W/ref=cm_sw_r_apan_glt_i_B4T5AWRW0HGHK7Y4CZK1?_encoding=UTF8&psc=1

Buy an AC line splitter like this one and an amp-clamp for like this one.

Plug your unit into the splitter and take a measurement on 1x or 10x with the clamp. Multiple VxA and you get your wattage. Multiply by hours and you get estimated kWH of your device.

I wonder if you could attach a clamp meter to that thing. You wouldn't need one of these