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Thanks for the help!

Very Nice explanation Thanks a ton your right folks buy these and never think about them.

Nice video! I am a bit confused -- I have looked at several videos showing 400Amp Generac ATS installs... The confusion is this -- Most of what I see is that there are installs that SHOW 4 "Hots" coming into the ATS and taken up to the TOP of the Transfer Switch -- My confusion is WHY would there be 4 Hots coming from a Meter and not just 2 Hots if the Meter is supplied with 400/320 Continuous from the Transformer through the meter? Question -- Are FOUR Hots needed from the meter every time? (I am only concerned with SINGLE PHASE 400/320A 120/240V system here) Can you explain this for me?

Thank you very much!

Can't get more of a elementary level explanation than this.

Thanks. The generator would be set to Auto for this test, correct? It's a Generac.

I flipped the switch and Generator kicked in after 10 seconds, (everything worked great) But after I turned the switch back on, Generator never shuts itself, I had to kill it manually. Any ideas?

After watching SEVERAL videos this is by far the best and the simplest way to test your generator.

My inherited Generac stopped testing itself on Saturdays a few years ago. The maintenance guys (who I had change the oil each year) insisted it was OK. But, of course, when I turn off the main...Nothing happens! It starts manually, but does not transfer Question: if I start it manually, and then throw the main switch in the panel, should it switch to generator current?? My "current" situation IS: I have a brownout condition caused by water in the main conduit/meter. I had an electrician diagnose this yesterday. The fridge compressor makes a dying noise when starting (I've unplugged it) some overhead lights are brown, and like, TWO watts, while the one in the study is like an arc lamp!! The HVAC transformer got blown again, along with other things.

Great video, thanks 🙏🏼

Thanks for the video. Gave me just enough confidence to "throw the switch". Is the ONLY function of flipping the switch limited to just turning off the utility power? And once that is done the ATS takes over? The reason I ask is that. I am constantly getting ATS Communication Failure WARNING messages. Sometimes the warnings last a few minutes or sometimes a few hours before I get a "warning cleared" message. This will usually happen between 1 time and 5 times a day. My Kohler installer put in a new control board, but I continue to get the Warnings.... but NOT getting the "Cleared" messages anymore since the new board was installed. I did as you did in the video and everything worked. (Normally my gen would not automatically go on or off when there was an ATS Warning message showing. So now I am wondering if the ATS is actually working now with the new board and maybe the "warning" messages are somehow just "false alarms". So if the ONLY function of flipping the switch in the video is to turn off the utility power, then maybe my ATS is working regardless of still having an ATS COMMNICATION Warning.

Omg thank you so much!!!!! I work at a retirement home and I just got promoted and I have to do this every month and I was kind a nervous on how to do it but this video guided me and I DID IT!!!

Does the ATS model J07ATSB30600N5XP require DC to operate the relays?

Thank you , a very clear explanation !

I see a utility phase issue going on there. Why is it A-C-B and not A-B-C? Utility company feeding the building load in reverse.

I have a 17kw gen, 70 amp output connected to a 200 amp transfer switch. It does run the ac unit and many of the lights. I have not yet had the opportunity to do more test, as I am waiting for propane. Does this seem right?

I hate triacs because they don't click like a relay. The best is hearing the clunk of a contactor --reminds me of a 155mm artillery shell loading into the breech just before I decimated a fishing village and a herd of water buffalo in the Mekong Delta. You failed to take the mystery out of transfer switches. There is no schematic, no wiring diagram, no load calculations for AWG selection, no overcurrent protection mentioned, no demonstration of a black out or brown out and the generator starting up, and no mention of a UPS for some circuits until the generator comes up to speed. Could you please show your system actually operating and put the microphone right up to that Schneider Electric big ass relay to prove the French aren't totally useless. We should be able to hear clunks and see the indications which Line is being used.

You guys look alike is the older fello your father?

Is that system energized? I'm judging by the control lights on, that it is. Definitely do not want to open any energized equipment without proper PPE.

Good morning, friend, install a power plant to a swich transfer series H 300 series to feed 57 houses and I would like to know how do I control the power input by means of a frequency or a wifi antenna. Taking into account that I will install a circuit in each house with contactors and relay to control. But I need to do it via frequency or wifi, since wiring is very expensive. If you can help me I appreciate it.

Love me some asco 300 controllers. In my 20 years I've replaced like 4 controllers. Cutler hammer? Those blow out all the time. I've probably changed like 30 in the past 5 years.

Can you hear that, ka-ching, ka-ching, ka-ching, just wait till you see that bill.

Shouldn't the wild leg be on B phase

hi , i was just wounding if the arrangements of the phases were right. is it suppose to be black red blue for low voltage. ? and phases in the ATS is arranged black blue red. i don't know if the color code differs from a state to state.I loved your video as a great intro to ATSs, however it would be great if you teach me something i don't know about the code arrangement. Thank you

I stole about 300 ft of 4 Ort and sold it for crack

The transfer switch does exactly that... It "transfers" between utility power and generator power based on need. It can be rated as Service Entrance so that it can be the primary disconnect on the incoming utility service. The generator itself, should always have an output breaker on the unit and sized appropriately to the system's rating.

Does the ATS serve as a disconnect for the utility power to the building? Do you need another disconnect mounted for the generator? Is their one built in to the generator itself?