Breakers on the transformer isn't a great idea.

Thanks for the video, very informative.....

Greetings Tom Robert from Omaha You are awesome and thank you for doing this. Can we talk about the generator install I questioned you about a week ago where the ocpd was by passed for the load bank unit??

Great videos Can we touch on the temp ratings of copper buss like a section of gear that service wires connect to. The bus feeds to the next section that has the Ultility ct and then main. Could the 90 rated wire and pressure connectors be code compliant? The service conductors would start at the utility transformer with 90 degree pressureconnectors? Thanks

Brilliant! If one must crawl in it, then it is a crawlspace! Or, if you can only drag yourself through it, it then becomes a dragspace!

Great to see both Tom and John!! Hope you both are doing well.

Maybe this has been said, but I think that boat hoists are different from Boat Lifts. So both terms should be included, and defined. I think I boat hoist is one of those thing where you put your boat in the slip and then lift it (hoist it) out of the water for whenever it is not in use. The LIFT brings the the boat up and out to be stored elsewhere.

Good afternoon Thomas and everyone else

Definitely a general requirement that should be incorporated in part 1 of 230. Calculated loads 120. 110.14c temp limitations, 310.14 ,310.15, Table 310.16 all apply to each method of service conductors (underground, se cable, overhead spans).

Glad you made it home safely Tom.

Just missed you. At Chicago airport headed for Omaha listening to program now.

Thanks Thom. Good chat.

Thanks Thomas, of course we get many information from your sessions. Great Job.

OCP Integral to a listed assembly would be any equipment that has an OCPD already installed, such as an HVAC unit, or a generator

That web address for the UL link you shared. Only appeared in the chat. Not the comments. If you can share to the comments that would be helpful

Audio is great!!

Hello Tom!! Welcome to day 8 of the hostage crisis

Sorry I missed you Tom. Will review aftrr my class. Robert from Omaha

It may not be covered by CMP-2 but is certainly covered by the code. What needs to happen is what has happened with hair dryers. GFCI protection at the equipment car, hair dryer, vending machine.

Love the Jim Dollard and IBEW 98 reference.

So on the outlet discussion with the new definition receptacle, lighting, and dedicated outlets are the only outlets out there. Because of the inclusion of the defined term branch circuit. IMHO

Thanks Tom and Bobby, for the discussion, good information.

Hi Bobby! Looking good on youtube. Nice to see you doing this video with Tom.

This 210.8(D) compromise works and is essentially what we see in the 2020 cycle. The Branch-Circuit GFCI is the responsibility of CMP-2. The list of Specific Appliances should be the responsibility of CMP-17. To have the requirement point to 422.5 is appropriate. However this list should be coordinated so that Specific Appliances list can be included in 210.8(D). For usability.

Moved the definition because like you said. It’s generally applied. Same may happen with others. Like panel board.

Good morning Tom greetings Robert from Omaha. Thank you so much for giving a peek inside the work you do.

Keeping the list for specific appliances definitely should stay. It is helpful for the end user for sure.

I found the discussion very informative. I would like to share some information to improve kitchen circuit standards . How do we have a conversation. Can you reach out. Thanks Phil

I’m sure you are looking forward to my public comments!

You're alarm went off because you said art 120 instead of 220 there is no art 120 ...😂

Greetings Tom Robert from Omaha you light shows you undercover...let your light shine bro.

See you next week Tom. Glad you made it out there safely.

Hey Thomas, good to see you from LA

sir, can you share the spreadsheet again? Many thanks for considering my request.

Can u see this?

Can u hear me??

You are live tom Robert from Omaha

a question about sizing OCPD 1 and OCPD 2. In an overload condition, wouldn't you want OCPD 2 to trip before OCPD 1? if my math is right the 125% sets OCPD 1 to trip at a lower power level compared to OCPD 2. thanks for the video!

Ohms law for the win. Z=V/I per unit or not lol. So great to see this. Well done Tom

Tom, thank you for another great refresher/lesson!

If a UL Listed 2800A 630V Breaker is used inside a UL Listed Inverter, does the inspector have the right to require 240.87 C testing?

Tom! Great video and technical session! I did have a question on your Arcing Current Calculator. Bussmann has a "Arc Reduction Calculator" and a "Arcing Current Calculator". I noticed you used the Arc Reduction Calculator which lets you input specifics on gap and configuration. What is the difference between the two calculators?

Please make your video more technical.

Would have like to see more about sizing the primary fuse with respect to the transformer inrush current.

It doesn’t say every distribution downstream towards the load. It specifically says “each next level distribution” equipment. So why would I need to include it in every downstream equipment all the way to the branch circuits instead of simply the very next level of downstream equipment after the service equipment and stop there???

Tom, this video has been very helpful. Recently I was given a document by Schindler outlining that their max SCCR for their control equipment is 5000A. I do not want to let the smoke out. The available fault current at the equipment feeding the disconnect for this controller is 22kA (give or take). I am being told to "ensure that the available fault current of the building supply at the service switch does not exceed this value." Is this the same thing as protecting this equipment with a fused disconnect? Because the verbiage in that sentence does not make me feel as if that is the case.

Tom sorry I missed your presentation this morning. See you at ISEI live

Well i was confused bedore watching this and now I have more questions. I am not sure if adter two years that I'll get help but I'm hoping so. I have 4 transformers 3 feed one panel each with a main breaker on the panel. The forth one feeds two panels (both wth main breakers) directly off of the windongs. All panels are more than 25' away. Is a fused disconnect required?

Thomas, the conductors from the power distribution blocks to the inverter or PV disconnect are defined in 705.2 Power source output circuit The rules for service conductors and power source output conductors are not the same.

I look forward to your response to my public comments!