ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
Top Posters(30 Days)
twh 10
Recent Posts
Windows 10, who's upgraded?
by geoff in UK. 05/29/17 01:05 PM
How do you find a good employee?
by ElectricianBud. 05/27/17 10:58 AM
Recall notice: Bosch Solar panels
by ElectricianBud. 05/27/17 10:53 AM
Correct rotation, wrong sequence
by Potseal. 05/27/17 12:15 AM
Dryer, Range grounding from "Main" panel
by sparkync. 05/25/17 05:49 PM
New in the Gallery:
SE cable question
Popular Topics(Views)
236,983 Are you busy
172,001 Re: Forum
164,871 Need opinion
Who's Online Now
1 registered members (geoff in UK), 77 guests, and 9 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate This Thread
#178054 - 05/22/08 10:07 AM Hydromassage Tub/ Blower Bonding  
leespark  Offline
Member
Joined: Jan 2004
Posts: 54
Massachusetts
I am wiring an indoor bathtub which has a "blower" unit. Since it doesn't actually circulate water but blows air instead is this considered a hydromassage tub by defintion?

The reason I am asking is that there is no bonding lug on the motor - in fact everything seems to be plastic. The plumbing is all plastic pex until it reaches the valves. I was planning to run the #8 solid from a grounding clamp near the valves to the motor but since there is no lug on the motor...

Should I connect the #8 solid to my equipment ground at my receptacle? I realize that is not the intent of the code to ground metal parts, rather to bond them together.

Also, the manufacturers instructions mention nothing more than to install a dedicated GFCI circuit and mention nothing about bonding etc.


2017 / 2014 NEC & Related Books and Study Guides

#178055 - 05/22/08 10:27 AM Re: Hydromassage Tub/ Blower Bonding [Re: leespark]  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,080
Estero,Fl,usa
It doesn't sound like there is anything to bond and nothing likely to energize the valves. I don't suppose it would hurt to bond them to the EGC but there is no code language I know of to require it.


Greg Fretwell

#178058 - 05/22/08 12:21 PM Re: Hydromassage Tub/ Blower Bonding [Re: gfretwell]  
BPHgravity  Offline
Member
Joined: Apr 2003
Posts: 139
Port Charlotte, Florida
The best thing to do when you are not sure how to define an assembly or a piece of equipment is to locate the UL marking and listing. Even if the product is investigated and tested per one of the other NRTL, it will have to meet a particular standard.

For your particular instances, look for UL 1795. This would mean the tub assembly is listed as a hydrotub. Once you know that, then you can apply the requirements of Part VII of Article 680 and the UL guideinfo use and installation requirements.

In my opinion, no bonding is required per your description of the installation.

Last edited by BPHgravity; 05/22/08 12:22 PM.

Bryan P. Holland, ECO.
Secretary - IAEI Florida Chapter


Member Spotlight
togol
togol
NW In. USA
Posts: 421
Joined: September 2005
Show All Member Profiles 
Featured:

2017 NEC and Related
2017 NEC
Now Available!

Shout Box
Powered by UBB.threads™ PHP Forum Software 7.6.0
Page Time: 0.011s Queries: 15 (0.002s) Memory: 0.7529 MB (Peak: 0.8762 MB) Zlib enabled. Server Time: 2017-05-29 17:10:58 UTC