Jerseydaze
Senior Member
http://www.nooutage.com/interlock_kits.htm does this meet code cuttler hamer has one to I thought generator had to handle the load?
generator panel lockout kit meets code??
- Thread starter Jerseydaze
- Start date
- Status
- Location
- New Jersey
- Occupation
- Journeyman Electrician
Those products appear to be unlisted. Some claim that they're tested with Ul-67 panelboards. Here's another such unlisted product:
http://www.interlockkit.com/catalog1.htm
http://www.interlockkit.com/catalog1.htm
- Location
- Wisconsin
- Occupation
- PE (Retired) - Power Systems
Being "listed" as an interlock between two devices has absolutely nothing to do with being able to be installed in an NEC compliant manner.
- Location
- New Jersey
- Occupation
- Journeyman Electrician
Not sure what you mean? Are you saying that using an unlisted interlock is OK?
- Location
- Wisconsin
- Occupation
- PE (Retired) - Power Systems
You can have equipment listed by UL that cannot be installed in a code compliant manner.
For example, the 'listed' breaker interlock could be used between alternative normal power sources without the 'generator sizing' restrictions.
ceb58
Senior Member
- Location
- Raeford, NC
With a interlock you would have a manual set up. So the size restriction is moot. You could have a 400 amp service and a 3 kw generator.
Jerseydaze
Senior Member
But I thought you had to size the generator to the load to meet code I am missing something is that just for standby generators?
- Location
- Massachusetts
If you use an automatic transfer switch the generator has to meet or exceed the NEC calculated load on that automatic transfer switch.
If you use a manual transfer means, the generator is only required to be large enough to power the items the customer tells you they want to power.
ceb58
Senior Member
- Location
- Raeford, NC
From the 2011
702.4 Capacity and Rating.
(1) Manual Transfer Equipment.
Where manual transfer equipment is used, an optional standby system shall have adequate capacity and rating for the supply of all equipment intended to be operated at one time. The user of the optional standby system shall be permitted to select the load connected to the system.
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timp4411
Member
- Location
- Baltimore, MD. USA
Our local inspectors wiil not approve those Interlockit kits as they are not UL Listed/approved.
The company says they are "Tested" to UL standards, but no stamp from UL.
The company says they are "Tested" to UL standards, but no stamp from UL.
Fulthrotl
~Autocorrect is My Worst Enema.~
- Occupation
- E
"Our kits are designed to be installed by qualified electrical personnel and meet the strict requirements
of the National Electrical Code and the National Fire Protection Code. These kits are Listed to UL 67 by
an independent lab for use in the USA. Unfortunately they are not approved for use in Canada."
the wording in the web site is not clear. is this a UL listed part, or not?
No, they are not UL listed. They are listed by the independent lab that tested them to the UL 67 standard.
timp4411
Member
- Location
- Baltimore, MD. USA
I have had several email exchanges with that Interlockit company about the ambiguous wording and they did admit that the kits are NOT UL listed. Only "tested" to UL standards.
I know it costs money to get a UL stamp, but I think they may sell more of the kits if they had the stamp.
As I mentioned in my earlier post, my local Inspector will not approve them without an actual UL stamp/listing.
I have ordered two of the Reliance TTV2006C panels to replace my Siemens panels. I'd prefer to spend $300 for two Interlockit kits that fit my Siemens panels instead of $900 for new panels.... BUT... those kits won't fly where I live.
Plus the added expense of having the panels installed.
I really like those Reliance panels, especially since they accept so many different types of breakers. That will save me quite a bit since I can reuse my existing breakers.
And, of course, the Reliance panels ARE UL listed.
I know it costs money to get a UL stamp, but I think they may sell more of the kits if they had the stamp.
As I mentioned in my earlier post, my local Inspector will not approve them without an actual UL stamp/listing.
I have ordered two of the Reliance TTV2006C panels to replace my Siemens panels. I'd prefer to spend $300 for two Interlockit kits that fit my Siemens panels instead of $900 for new panels.... BUT... those kits won't fly where I live.
Plus the added expense of having the panels installed.
I really like those Reliance panels, especially since they accept so many different types of breakers. That will save me quite a bit since I can reuse my existing breakers.
And, of course, the Reliance panels ARE UL listed.
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Ok, "UL" is not the only game in town, there are numerous NRTL's testing for UL standard compliance and an inspector should be aware of this. With that said, the Interlock kits Rob posted was in fact listed by Wyle Labs but (and a big but here) Wyle Labs recognition was revoked by OSHA so they are no longer listed, click HERE for more info
I don't know who the NRTL was that tested the OP's kits.
Roger
I don't know who the NRTL was that tested the OP's kits.
Roger
- Status