ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
Shout Box
Recent Posts
Motion detectors and dimmers
by gfretwell. 09/20/18 04:02 PM
Extension cords
by annemarie1. 09/20/18 08:54 AM
Inspection camera help
by Bill Addiss. 09/19/18 10:50 PM
220/230/240V 60Hz Systems
by gfretwell. 09/16/18 12:37 PM
Acronis Backup 2017
by gfretwell. 09/16/18 12:46 AM
New in the Gallery:
Plug terminals
Housebilding DIY wiring
Who's Online Now
0 registered members (), 14 guests, and 20 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
"Other Codes"...Health Regs #122600
12/04/05 11:27 PM
12/04/05 11:27 PM
Admin  Offline
OP
Administrator
Member
Joined: Oct 2000
Posts: 3,516
NY, USA
Quote
Here is a picture of the inside of a walk-in cooler. Please note that the pipe is held away from the surface (with mineralacs).

USDA, and most Health Departments, require pipes to be supported in such a manner as to not interfere with cleaning. In practice, this means leaving a pretty good space between the structure and the pipe. You don't want to make a 'pocket' to trap crud.

Also in the pic, note that the alarm guys use set-screw type fittings. This is not an area that gets hosed down, so there probably is no requirement to use compression type fittings. Also, the alarm wires are arguably 'power limited' circuits, with less exacting requirements than power circuits.

- renosteinke
[Linked Image]

Tools for Electricians:
Re: "Other Codes"...Health Regs #122601
12/05/05 04:30 AM
12/05/05 04:30 AM
E
e57  Offline
Member
Joined: May 2003
Posts: 2,876
S.F.,CA USA
The new RT fittings with the gaskets and seals are great for this application, along with a little bit of duct seal putty. You want to get rain in the light fixtures and switches? From the weather system that gets created inside the conduits that pass to the outside of this cooler, as the alarm guys might find out down the line. Sealing is required by 300.7(A)

I have seen light fixture jelly jars like that full from condensation. The colder it is inside, and the hotter is outside, add humitity, and you got a micro climate thunder storm.


Mark Heller
"Well - I oughta....." -Jackie Gleason
Re: "Other Codes"...Health Regs #122602
12/05/05 08:18 AM
12/05/05 08:18 AM
P
PCBelarge  Offline
Member
Joined: Jun 2003
Posts: 681
Dobbs Ferry, NY, USA
That would be the reason that 300.7(A) is a requirement for this type of installation.


Pierre Belarge

Featured:

2017 Master Electrician Exam Preparation Combos
2017 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
RonKipperDatacom
RonKipperDatacom
Kansas City, KS
Posts: 30
Joined: January 2013
Show All Member Profiles 
Top Posters(30 Days)
Admin 13
Trumpy 11
Popular Topics(Views)
249,362 Are you busy
187,292 Re: Forum
176,643 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.6.1
(Release build 20180101)
Page Time: 0.014s Queries: 14 (0.003s) Memory: 0.9521 MB (Peak: 1.0761 MB) Zlib enabled. Server Time: 2018-09-22 05:17:32 UTC