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I have a nema 10-30 outlet and I need that 6k watts

Is there anyway to use it? I need a pdu also to get 9 x c13

I am worried that the outlet doesn't have a ground

https://i.imgur.com/6HpOo35s.jpg (http://imgur.com/6HpOo35)

Call a professional. Asking for advice on something that can burn down your home is not a good plan......

I can't pay $850/hr

 I am sure this is an exaggeration?  That would be one hell of an electrician. 

You should be able to test the outputs of the socket with a cheap multimeter that can read AC voltage to determine your ground.  Seriously though, why chance a fire to run your equipment!  You need to make sure the wiring can handle the load or you have a serious hazard.

Is your PDU a 240V model with an L6-30 or similar? If so, you'll have effectively no current through the neutral, and running it this way wouldn't be much different than running a range or dryer on that plug. Your device will be grounded through the neutral as opposed to a dedicated ground, but since the wire will be substantial and the current measured in milliamps, there won't be any real difference to a modern system with a dedicated ground.

Still, it would be wise to consult with an electrician.

It looks like you are having the same idea I did.  That's an old style dryer outlet.  I have the newer 14-30 outlet.  I have yet to find any adapters and figure the reason is it's not a good idea :)

I do agree with everyone else though and you should consult a qualified person.

850/hr??? Where do you live?

There is also some information you can get online (search "electrical codes" on a torrent site) that you can look at to aid you in making an informed decision. I am fortunate that I have a co-worker who is a journeyman electrician who works for beer!!!

$850/hr is still better then no house.

I found a guy on Craigslist for only $50

dont even think about pulling 6kW from a single outlet/circle/phase.

and no ground is bad, but it may be nulled so it can still work.
best you call an electrician, and dont try to buy cheap parts/thin wires if wiring needs to be replaced.

cheers

i found a hidden ground

why no 6kw? 30*240= 7200

B/c you should not pull more than 80% load, if the load is constant. With mining, it would be a constant load.
7200 * 0.80 = 5760W

Let's hope the power supplies are efficient

I don think that socket can handle more then 13 amp. You can try 6k watts and the power should disconnect immediately unless some fuse problem.

Actually I finally got it working
30 amps

Swapped in a l6-30 and found a ground wire. Taped up the neutral.

240V usually means 220V load and at max if your cable is 7064 (7 x0.64 gauge), Max load is 13A
Meaning yr load at max is 2860 - 3000 W

It will blow your circuit breakers and cause a fire.

Don't do it!
Its not the socket that cannot take it...it's the wiring...

The wiring and breaker are 30 amps
It's a dryer outlet. It better handle 30 amps

Nice, you should be able to run 6000kw without much problem then.

The circuit is sized based on the amperage of the equipment to be utilized. If your source voltage is 240 volts, then a 6KW load will be 25amps. 80% of 30amps is 24amps, so by code, the dryer circuit and receptacle are not rated to handle that continuous load. If your source voltage is lower, say 220 volts, then the amperage will increase to 27.3amps.

A circuit rated at 40 amps would be recommended in this case.

A 30 amp dryer circuit, properly wired, will handle the 6KW load at 240 volts, but it is below the minimum standard that an electrician would install.

You may also have a greater risk of fire on the 30 amp circuit if the equipment were to malfunction.

Contact a local electrician if you are unsure about anything if installing or modifying any circuits.

Thanks

I'm doing the exact same thing with an old dryer outlet to run a FrankenJup. It's the old style outlet so it didn't work with the Tripplite PDU that I bought. But I found an adapter cord meant to charge hybrid cars. Works great running a complete FrankenJup and an S2.