Yeah.

I think the, the main point here is, um, as technicians, we oftentimes think of, you know, either a 30-minute requirement or a two-hour, uh, requirement for the full load relative to the building type as outlined by the, uh, the National Building Code or the provincial regulation that you're working on.

And I just thought it would be a really good idea to sort of outline that there's actually some allowances for not just 30 and two-hour, I don't think allowances is the right word, but there, there are requirements for different types of occupancies based on the type of building that you might have.

So we all know, uh, the, you know, the two-hour r- uh, requirement for full load for, for high buildings as outlined in, in the building code in, uh, 326.

Aaron.

Yeah, thanks Tim.

I just wanted to add, I, the focus on the Codes Corner was really on the alarm side of, of the, um, the battery calcs and, and what have you, and I did mention that, you know, you have to have 24 hours on standby.

I do wanna note that CAN/ULC S524 does permit a four hour t- um, of standby operation plus the rated alarm load when an engine-driven generator is used as an emergency power supply.

Mm-hmm.

And if we take a look at 524, there is an or for display where we can have a discrete indicator, i.e.

LED, with or without an alphanumeric display, or we can have a sequential alphanumeric display capable of displaying discrete text messages consisting of a minimum of eight input zones simultaneously with a status line.

So it's really important to recognize what that actually means when we're u- providing only an LCD display with eight input zones.

That doesn't mean eight devices.

That means eight zones.

So you could potentially have, we'll say, four smoke detectors in alarm.

It still makes sense, no matter how advanced that technology is.

And Aaron, thanks and welcome back to the podcast.

Thanks, Tim.

Glad to be back again.

Today, I thought we would talk a little bit about the Ontario Fire Code that was, I'll say, recently published.

Now, I've heard colloquially that it's the 2025 OFC, but it's really important to recognize that it is not.

the still OREG 21307, so the 2007 fire code regulation.

It's just that it's been a significant and recent update to an amendment that is now 8725.

it doesn't affect as far as any legalities or anything like that it being an amendment right is this for um getting it through quicker approvals quicker is that why they would just do an amendment

What are your thoughts about AI and medical publishing?

Yeah.

This is a, this is a minefield.

So I, I think those detection algorithms, by the way, are quite flawed, and so I'm not confident that they work very well, and it's ultimately a cat and mouse game.

So if the hallmark of a really good AI model is that they can beat these tools, then they'll just incorporate them into the training and, and these models will generate output that will fool them.

And so it's a cat and mouse game you're never gonna, uh, win.

Ultimately, I think what ha-has to happen is a change in, i-in how we understand medical publishing, how we, uh, look at human behavior around us.

And I just wanted to ask you for our listeners, what kind of work are you hoping to attract for this collection that's gonna be meaningful to our readers?

Aaron, welcome back to the Codes Corner.

Thanks, Tim.

Glad to be back, and I did also, uh, resume my role as the chair for the Codes and Standards Committee with the, uh, CFA, so I'm happy to be back.

Thank you.

We've had some discussions on some old themes, old discussions that we've had in the past, and we, uh, we thought we'd revisit them and provide some clarification maybe for some, some new technicians in industry who may not understand, you know, sometimes we take some of these things for granted.

Okay, so first up, we're gonna talk about one-hour versus two-hour cable ratings and when we're using either one.

That's correct.

So oftentimes we have a reference to a requirement for a two-hour cable rating, and the reality of the situation is you only really need a two-hour fire-rated cable maybe 1% of the time.

So w- when does that shift occur? Is, is there some sort of seminal moment? And then how do you define it?

Well, let me just, uh, real quickly help with the previous fuzziness a, a little bit.

So, um, I think, uh, initially in the early phases of the, uh, electronic health record era, um, it was a single center still, just learning from their data.

Uh, and in the big data era, we started to aggregate these data sets across many health systems and like Cecilia was saying about many different medical practices across the human body, and we started to learn things at scale, at like population level, um, uh, type data that was not really available before.

Um, and then, you know, the...

If you had asked me what was the marker or the beginning of the machine learning, deep learning era, um, it was probably the, uh, advent of the computer vision revolution that occurred.

So, um, it used to be that if you had a picture of a car, uh, and you wanted a computer program to tell you that this was a picture of a car, it would take 10 years of somebody's poor graduate school PhD work to make that work, you know, maybe 30% of the time.

One, how you summarize this succinctly for the curious patient, and two, how you articulate the benefits of this technology, which I imagine for a lot of patients is intimidating or unknowable, and they need to understand why, uh, why there is a pot of gold at the end of this rainbow.

I wanna go back in time a little bit to the formation of this and, and, you know, why was it important to you? How did it take this shape and this form?

Oh, that's a me question.

So when, so, uh, Off Black started way back, way, way, way, way back in the year 2022.

Um, i- and, uh, it was, it really started off as, like, a spinoff of a podcast I was doing with some friends at the time, uh, called Black Anime, uh, spelled the same way.

We, um, hate to say it, but we do not post new episodes, so it's, it's [laughs]...

But, uh, we, we got over 100.

We posted a lot.

Mm-hmm