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Inspection Question of the Week These are inspection questions posted weekly by members of InterNACHI's Awards Committee.

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  #16  
Old 3/12/19, 7:53 AM
Roy Lewis, CMI's Avatar
Roy Lewis, CMI Roy Lewis, CMI is online now
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Default Re: Questions of the week 03/10/2019

Thanks Manny




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  #17  
Old 3/12/19, 8:05 AM
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Default Re: Questions of the week 03/10/2019

Quote:
Originally Posted by sfetty View Post
Thanks Manny! Congratulations Jeffrey!
Congrats to you also, Sir.



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  #18  
Old 3/12/19, 8:21 AM
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Default Re: Questions of the week 03/10/2019

I believe you both got me on question #1..
Good work guys..Yep!




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Well! They may have degrees, but that is not an indicator of common sense or right thinking...M. Larson circa 9-27-2018.
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  #19  
Old 3/12/19, 8:48 AM
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Default Re: Questions of the week 03/10/2019

Quote:
Originally Posted by escanlan View Post
Wow Y'all are to good! Jeffrey did have all answers right for the first five questions needed. I think Dave also wins with the extra credit question. Maybe INACHI will do you both right.



Marcel hit the extra credit question on the head as well. Marcel and Roy were real close and I know how Marcel came about his answer for #4 by very impressively calculating the possible loads.


Now for the answers, references, and a bit of reasoning for the questions. We all need to keep in mind that yes I am going to reference building codes and on an existing older house we may not use them. However building codes are created from good building practices and not the other way around. There are many calls we make that are in reality based on building codes even for an older existing house. As for new construction and one year warranty inspections you do need to become very familiar with the building codes as your client needs this to force many builders to do their job.



1. No - You can if you use appropriate conduit. The void behind the brick veneer is considered a damp location and NM can only be run in normally dry locations. Note I did ask specifically for NM and not NMC or NMS.


NEC 334.10 as well as the NEC definitions for damp, dry, and wet locations.


2. No - The luminaire must have a 1 1/2" gap between the top of the luminaire and the decking.


NEC 410.10


3. An exterior switch - obviously properly rated for the exterior.


The RL75e installation manual is readily available on the Rinnai site. This is a quick link to it https://media.rinnai.us/salsify_asse...n%20Manual.pdf . The switch requirement is located on page 21 "Connect Electricity".


NEC 110.3 requires equipment to be installed and used as per its listing and labeling.


The purpose of this question was to demonstrate the need to become familiar with manufacturer requirements, especially when performing new construction inspections. Rinnai is the only manufacturer I am aware of that requires this and the rest are happy with an OCPD and locking device. However Rinnai has made the requirements more strict than code. A failure to follow a manufacturer's installation and use requirements can give them a reason to void your client's equipment warranty. If I estimated I would say I see improper installation on 90%+ of Rinnai's and many others as well.



4. 13


This is set by the Frisco amendments to the 2014 NEC 210.21(4) and can be found here https://www.friscotexas.gov/Document...101-PDF?bidId= This is very easy to find Frisco's Building Inspection WEB site, or any other city in any other State that has a WEB site and properly posts information and requires similar. Who cares what Frisco, TX does unless you inspect there? But this is another one of those questions made to have the Inspector think before they make an azz out of themselves during an inspection of a new home by making sure they understand the AHJ can change requirements.


FWIW when I first started doing phase inspections I did have my "Hee Haw" moment. It only takes one time to realize how little you know and motivate you to learn it!


5. The most typical residential application is the 3-way switch used at the bottom and top of a stair set for the lights over the stairs. For you new guys who feel week on electrical I do recommend you read up on 3 and 4 way switching.



For the extra credit question not necessary to win.


6. Iron Man by Black Sabbath. Here is a link to the original made for TV video (VH1 ??) they made.
https://www.youtube.com/watch?v=5s7_WbiR79E



These are the lyrics.




I'm a big Black Sabbath and Ozzy fan. In our current climate today Ozzy wrote a very applicable song. So ALL ABOARD THE CRAZY TRAIN!




Good stuff Manny!




Dave Fetty Certified Master Inspector
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  #20  
Old 3/12/19, 9:32 AM
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Marcel Gratton, CMI Marcel Gratton, CMI is offline
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Default Re: Questions of the week 03/10/2019

Always a learning experience. Thanks Manny and congratulations Jeffrey!



Marcel Gratton, NACHI04011210, CMI
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  #21  
Old 3/12/19, 4:46 PM
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Default Re: Questions of the week 03/10/2019

Congratulations on the win Jeff.




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  #22  
Old 3/12/19, 7:40 PM
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Larry Kage, CMI Larry Kage, CMI is offline
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Default Re: Questions of the week 03/10/2019

yes, Jeff, congrats!




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The InterNACHI Awards Committee is the final authority of the issuance of any award the committee offers and any rules interpretation updates.
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