beautiful but evil
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a perennial summer homosexual. shining superstar vtuber. evil nasty catboy.
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cohost's dreamer, sweetboy, sickposter...
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in reply to @spookybiscuits's post:
The listed max current (15A) and power (1875W) make some sense, as it uses a conventional NEMA 5-15 plug (5-15P), which itself is only rated up to 15A at 125V AC. Basically they rated the maximum current of the superdanny at the maximum you're allowed to pull through a standard US outlet anyways. In 90% of installations pulling any more current than this would just trip the building's breaker. I definitely wouldn't trust it to run at a sustained 15 amp load without catching fire, though, lol.
If they wanted to get a higher wattage rating to make the number of receptacles on it more sane/useful, they would have needed to use the twenty amp NEMA 5-20P connector (the one with the prongs perpendicular to each other instead of parallel) or an industrial style locking connector like the thirty amp NEMA L5-30P (though for consumer applications the non-locking NEMA TT-30P is probably more applicable, as it's often used to provide shore power to RVs and campers).
As is you could only pull 0.68A through each outlet, assuming equal loads on all 22 and nothing plugged into the USB ports- though the converter for those probably has some overhead power draw too. You could get that up to ~1.35A if the superdanny were designed for 30A, which is still pretty darn low. There might be a use case for one of these if you had a whole bunch of low-powered AC devices that needed to plug into the same spot, but I'd be willing to bet there's a cheaper and more power/space efficient way to accomplish whatever that use case is, just about always. These devices mainly just exist to prey on the unwitting consumer who thinks more receptacles means more power.
Not me with a plugs and connectors hyperfixation >_>
(also I added more rambling to my comment with an edit, regarding the practical implications of using a higher current connector- TLDR this would still be of questionable use even with double the current capacity)
I uh, remembered recently seeing an over-the-counter home use 5-head European one saying "max 3680W/16A"
Yeah, makes sense. Many (most?) European nations use 200+ volt AC power in homes, for all receptacles. In north america we get ~240V service to the home, but it's split into two ~120V phases with a center ground, so most receptacles that you'd plug an appliance into (and all the ones I listed) are 125V AC nominal (often as low as 110V in practice, power grids are complex and voltage can be pretty variable depending on how the local grid is set up). There are a few things that use 240V connections, but they're typically only for high-power equipment like electric stoves, water heaters, EV chargers, or hot tubs, and often they're hard-wired rather than using a receptacle.
Basically, most north american electronics expect half the AC voltage that similar european items would, and that means that we get half as much power (wattage) for the same current in amps. There are much better explanations elsewhere online, so I won't get into the history and implications, but obviously it has drawbacks for things like power strips with useful load capacities. :P
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