跟读练习: Canadian Electrical Code Introduction and Layout of the Code Book - 通过视频学习英语口语

Let's take a look at the very beginning of the Canadian Electrical Code.

The Canadian Electrical Code is called Canadian Electrical Code Part 1: Safety Standards for Electrical Installations.

It's published by the CSA Group and the Standards Council of Canada.

When you first open up the code, it looks like this.

And it's nice to open it sort of as a PDF

so that you could have sort of bookmarks down the side here and very easily reference these sections.

If you purchase a book in a hard copy format, that is handy for some situations, but it is much harder to go to

and from all of the tables that are necessary when you're using the Canadian Electrical Code.

Down at the side here that you see

that there are quite a few sections before you even get to section zero of note here is a revision history,

just so that you know what is what is new on in your new edition.

uh Added or changed elements also have a little triangle beside them throughout the code so you can easily see them.

Thank you.

uh it talks about the committee on the canadian electrical code

part one um uh it talks about a few of the committees

and the subcommittees it starts with a preface talking about um

uh what this code book is for and what we don't want to forget that just before section zero

is where we can find these metric units

if we click on them here uh so often we will have to um

convert between SI units and what the book calls previously used unit,

which uh is often sort of uh what is has been previously used in the field or it is a um

An imperial unit.

So this is just a chart.

It could be found readily anywhere else or in any app to convert some of our standard SI units since this.

this Canadian Electrical Codebook is in SI units.

So that's a helpful chart that is on page 33 in this edition, before section zero.

And Also of note is a little bit of a table that you could find elsewhere as well,

and it's just a handy table that is going to give you the the trade sizes and.

uh the you know the fitting sizes in inches and in um in SI units or the metric units for

uh common common uh size conduit and tubing There are quite a few reference publications,

uh, Some, you know, standard test procedures, safety codes, etc. that need that are referred to throughout this book, and those are also found before section 0.

of the electrical code.

And then we get into section 0, section 1, section 4, section, sorry, section 0, section 2, 4, 6, 8, etc. They go up by 2.

Okay.

And in this video, we're just going to talk about Section 0.

So we just talked a little bit about the layout of the book.

What is this book for?

This book has a set of a comprehensive set of rules for the installation and maintenance of electrical equipment,

and it is published to help ensure electrical safety.

The rules of this entire book, and are divided into two groups.

Sections 0 through 16, and 26 are called the general sections.

So these are your general rules.

So again, not really that convenient.

It's 0 to 16.

And then we skip all the way to 26.

Those are the general rules, the general sections of the Canadian Electrical Code.

We in this video we're going to talk about section zero, but before we even talk about section zero let's talk about how the code is a code book is laid out.

There are two different types of sections, there are general sections, and then there are all of the other sections.

So the rest of this huge book is everything else.

So if it is in 0 to 16 or 26, Those are our general rules.

However, The supplementary sections take precedence over all those general sections.

Now, in some cases, you're in a supplementary section and it refers back to a general section.

So it's a complicated book, but we have to know 0 to 16 and 26 might as well memorize that.

Those are our general sections.

So let me give you an example here.

If section 4 permits aluminum conductors, no problem.

section four is all about copper conductors and aluminum conductors but

if you look in section 32 section 33 rule 100 prohibits the use of aluminum conductors in fire alarms

So you can ask yourself, can aluminum conductors be used in fire alarms?

Well, section four says sure you can use aluminum conductors

but section 32 is a supplement which takes precedence over all of those general sections Section 4 was a general section.

So no, we cannot use aluminum conductors in fire alarms.

So that's how this book is laid out.

It has its general rules, then it has all of the supplements to those.

And those rules are going to look at tables.

There are lots of tables after these rules.

The rules all refer to these tables.

Now the tables could sit in there with the rules.

But it would be a really big, thick book.

So in general, the rules are

uh are uh sort of condensed into words a few diagrams

and then you can you have to go to the tables

to do your calculations or to find the data based on the rule.

It's placed there so that you don't fill up with the rules with a lot of diagrams.

So let's take a look at what that looks like.

So let's say we go to section four, for example.

Again, I'm just talking about the layout of the Canadian Electrical Code.

So if we're in section four,

section four says, okay, so for section four rule four is the opacity of wires and cables.

This particular section is about copper and it says that we uh we need to go to table two. And here's table two.

If I click on it, it goes to those tables.

Now what I've done, is it's or what I did is I just clicked it clicked into this table section over here

so in my bookmarks I see all these tables

and that's table 2 allowable ampacities for not more than three insulated copper conductors not more than 5 000 volts

and unshielded so but now section two I mean table two is going to refer to some subsections

for more it's it's uh derating factors in in tables 5a

here's some some correction factors uh if like for uh certain types of insulation

so that's 5a now I could have found it this way at the side table 5a uh

but I found it off table 2.

I can click on 5a um if I want to see

which rules these are applicable to look there's our rule 4 Section 4.

Rule 4.

uh the impacity of wires and cables so it's quite a nice book when it is set up uh in this

this soft copy form so that you can plug through those in the ways that you need to,

in various ways from the bookmarks or from the text.

So that is how the book is laid out.

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本课的词汇与口语要点

这节 C1 级别的口语课以视频“Canadian Electrical Code Introduction and Layout of the Code Book”为素材。视频中反复出现的词有：section, rule, table, code, electrical。这段视频共有 96 个句子、1202 个单词可供跟读。讲话部分时长为 8:05。说话人语速平稳，每分钟约 149 个词，很适合跟读。 83% 的单词属于英语最常用的 3,000 词，其余的词建议在练习前先学一下。

视频中的重点词汇

视频中最难的 15 个单词，附发音和释义：

单词	发音	释义
conductor 名词	/kənˈdʌktɚ/	指揮 /指挥, 指揮家 /指挥家
bookmark 名词	/ˈbʊkmɑːɹk/	書籤 /书签
precedence 名词	/ˈpɹɛsɪd(ə)ns/	優先權 /优先权, 優先 /优先
supplementary 形容词		补充的, 追加的
diagram 名词	/ˈdaɪ.ə.ɡɹæm/	圖 /图, 圖表 /图表
metric 形容词	/ˈmɛt.ɹɪk/	公制
layout 名词	/ˈleɪ.aʊt/	設計 /设计, 佈局 /布局
memorize 动词	/ˈmɛm.əˌɹaɪ̯z/	記住 /记住, 熟記 /熟记
preface 名词	/ˈpɹɛfəs/	序言, 序文
subcommittee 名词	/ˈsʌb.kəˌmɪti/	小組委員會 /小组委员会
subsection 名词		款
prohibit 动词	/pɹəˈhɪbɪt/	禁止, 阻止
insulation 名词	/ˌɪnsəˈleɪʃən/	孤立
calculation 名词	/ˌkælkjuˈleɪʃn̩/	計算 /计算
revision 名词	/ɹəˈvɪʒ.ən/	復習 /复习

视频中出现的短语动词

单词	释义
go up 动词	上昇 /上升, 上去

视频中的语法

说话人最常用的结构，并附上视频中的原话：

结构	视频中的用法
被动语态 be + 过去分词 — 强调发生了什么，而不是谁做的	is called · could be found · are referred
现在完成时 have/has + 过去分词 — 过去发生但与现在仍有关联的事	has been · I've done

需要注意的发音

说话人用了 9 次缩略和弱读形式，例如 we're, don't, you're。请按听到的简短形式来说。

“sh” 和 “zh” 音: insulation /ˌɪnsəˈleɪʃən/, calculation /ˌkælkjuˈleɪʃn̩/, revision /ɹəˈvɪʒ.ən/, correction /kəˈɹɛkʃən/
长单词——注意重音位置: aluminum /əˈlu.mɪ.nəm/, allowable /əˈlaʊ.əbəl/, ampacity /æmˈpæsɪti/, opacity /oʊˈpæsɪti/, subcommittee /ˈsʌb.kəˌmɪti/

中文母语者容易读错的音：

词尾辅音 — 要读清楚，后面不要加元音: bookmark /ˈbʊkmɑːɹk/, precedence /ˈpɹɛsɪd(ə)ns/, metric /ˈmɛt.ɹɪk/, supplement /ˈsʌp.lɪ.mənt/, layout /ˈleɪ.aʊt/
/r/ 和 /l/ 的区别: triangle /ˈtɹaɪˌæŋɡəl/, readily /ˈɹɛdɪli/
/æ/ — 嘴张大，不要读成 /e/: diagram /ˈdaɪ.ə.ɡɹæm/, ampacity /æmˈpæsɪti/, opacity /oʊˈpæsɪti/, calculation /ˌkælkjuˈleɪʃn̩/, triangle /ˈtɹaɪˌæŋɡəl/

如何用这段视频练习

先完整听一遍视频，不要开口，记下不认识的单词。
用正常速度逐句跟读，每句重复到你的节奏与说话人一致为止。
录下自己的声音并与原声对比，特别注意 conductor, bookmark, precedence 这类单词。

什么是跟读法？

跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。

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本课的词汇与口语要点

视频中的重点词汇

视频中出现的短语动词

视频中的语法

需要注意的发音

如何用这段视频练习

什么是跟读法？