News Seasonic's new power supply has enough juice and connectors to power four RTX 4090s

[Misgar]

are generally run on 220-240V power

Yes, I do remember seeing ACs running on 220/240V AC 60Hz when I stayed in hotels and motels in the States. In this instance, are they connected across two phases? In the UK, commercial premises are fed with three phases when necessary, but homes with only one phase.

Since I didn't visit many peoples' homes when on business/vacation trips, I didn't realise domestic appliances (ovens, stoves, driers, freezers) were also powered from 220V. It makes sense. Many thanks for the heads up.

One good reason for using 120V is you get less of a "belt" if you're unfortunate enough to touch a live wire. Mind you, I don't think it's any consolation if you're electrocuted with 120V 60Hz instead of 240V 50Hz.

 

[Gu3sts]

If this psu can actually support 4x 12volt High power connector the maths doesn't add up as each connetor is rated at 600w
600w x4 connectors = 2400 Watts for potential gpu on there own...

 

[The Historical Fidelity]

Yes, I do remember seeing ACs running on 220/240V AC 60Hz when I stayed in hotels and motels in the States. In this instance, are they connected across two phases? In the UK, commercial premises are fed with three phases when necessary, but homes with only one phase.

Since I didn't visit many peoples' homes when on business/vacation trips, I didn't realise domestic appliances (ovens, stoves, driers, freezers) were also powered from 220V. It makes sense. Many thanks for the heads up.

One good reason for using 120V is you get less of a "belt" if you're unfortunate enough to touch a live wire. Mind you, I don't think it's any consolation if you're electrocuted with 120V 60Hz instead of 240V 50Hz.

Exactly, I think 120v is a little safer from a paralysis standpoint if you really mess up and grab a main but not by much. IE the ability to move away instead of being paralyzed until someone pushes you away. But to compensate, y’all and western Europe have much better designed plugs and sockets from a safety standpoint. So on one hand, US has safer voltage but plugs/sockets that make it easier to shock yourself, and y’all have more dangerous voltage but plugs/sockets that make it really hard to get shocked.

So US 220/240V is accomplished by combining 2 110/120V lines 180 degrees out of phase at the main breaker panel.

Most commercial and industrial is 3 phase, and rarely ive seen 330/360V in a 120 degree offset 3 phase.

 

[Misgar]

So US 220/240V is accomplished by combining 2 110/120V lines 180 degrees out of phase at the main breaker panel.

I had a suspicon that was the case, but was wondering how it was achieved when "normal" 3-phase mains waveforms are 120 degrees apart. Thanks for the update.

So on one hand, US has safer voltage but plugs/sockets that make it easier to shock yourself

I remember getting a shock from a faulty hair dryer in a hotel bathroom in Mexico City. It was hard wired into the wall and part of the casing was missing. I danced around with bare feet on a wet tiled floor let go of the offending article and jumped out of the way. It emitted a bunch of bright blue sparks and smashed beyond repair.

The only mains outlets you'll find in most UK home bathrooms are for low power electric shavers. No wall sockets allowed. Guess I know the reason why!

 

[WonkoTheSaneUK]

The only mains outlets you'll find in most UK home bathrooms are for low power electric shavers. No wall sockets allowed. Guess I know the reason why!

Yep.
It's actually against building codes here to have any other type of AC outlet within 1m (39") of running water for exactly that reason. This includes kitchens too.

 

[Misgar]

building codes

Yup. I haven't reached Section 701: Rooms with bath/shower in the 18th Edition yet. Essential bed time reading.

So long and thanks for all the fish.