Is it dangerous to run 4 x L3+ 24/7 (only 1 L3+ (~800W) / circuit breaker) with 120v? I intend to use a EVGA T2 1600W PSU for each L3+... maybe use 'eco mode' to reduce noise, but I'm not sure yet... The answers so far have been incredibly useful... thank you guys so much for that!
The key is the 800W per rig.
So, 800W = 120V * 6.7A, or 240V * 3.4A
Most US household circuits are 120V at 15A (1.8KW), so that won't play nice on a typical household circuit.
Even trying to run 2 L3+ rigs on a single 120V @ 15A circuit will load it to 90% capacity.
This is considered risky/dangerous.
Recommend using 4 different (120V@15A) circuits for safety, one for each rig, or installing a larger breaker (30A or 240V).
You will need 3.2KW to service the rigs.
Now, running a single EVGA T2 1600W PSU on a 120V @ 15A circuit is fine as long as you only draw < 1.6KW * 80%.
If you try to get close to 1600W then you are asknig for trouble.
I run a 240V 50A setup for my rigs, so have plenty of power (12KW).
I had that circut installed from the main panel to a sub-panel by a professional electrician who sized the wire accordingly.
In my sub-pannel, I break-out into various 120V/240V circuits as needed for the miners. I currently run a 240V @ 30A (L6-30R) into a PDU to allow for remote switching of the power to the miners which are plugged in via C13/C14.
My 110V is a 20A circuit which I also use.
Never exceed 80% capacity on any circuit.
Paying an electrician for proper circuits is cheaper than paying to have your house rebuilt after a fire, and im betting your insurance won't cover the miners anyhow...