ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
ShoutChat
Recent Posts
Danish type K Sockets
by winston_1 - 10/25/21 07:30 PM
Flexible Conduit?
by gfretwell - 10/24/21 01:59 AM
May I backfeed 3 phase transformer?
by dsk - 10/22/21 04:37 AM
Wire sizing
by gfretwell - 10/21/21 10:12 PM
GFCI's pops in large numbers
by dsk - 10/21/21 02:03 AM
New in the Gallery:
240/208 to a house
240/208 to a house
by wa2ise, October 9
Now you know.
Now you know.
by Tom_Horne, September 7
Who's Online Now
0 members (), 36 guests, and 16 robots.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
Page 3 of 3 1 2 3
Joined: Apr 2002
Posts: 7,283
Likes: 3
Member
Ironic that the "Sunshine State" is lite on solar??


John
Joined: Jul 2004
Posts: 9,669
Likes: 6
G
Member
The government subsidies dried up


Greg Fretwell
Joined: Apr 2002
Posts: 7,283
Likes: 3
Member
We average 2-3 solar permit apps a week.

The commercial jobs have almost died. I have one (1) in the last 9 months.


John
Joined: Jul 2004
Posts: 9,669
Likes: 6
G
Member
What is the subsidy there?

Florida just put a few bucks in the subsidy pot in January and it was gone in less than 2 hours.


Greg Fretwell
Joined: Apr 2002
Posts: 7,283
Likes: 3
Member
Greg:
Sorry to say, I have no clue. We just inspect.


John
Joined: Jun 2004
Posts: 613
S
Member
I've seen some line side connections for Solar PV in residential 100 & 200 amp service panels ahead of the Main on the SE conductors. IMO it is sloppy and dangerous.
Typically you only have a short section of SE wiring that connects to the Main. Now you add additional un-fused SE conductors to that panel that workers/homeowners must be careful of. It would be safer to add a J-box between the meter and the main to splice the SE cable.

Now under the new rule 705.31 in 2014 you can run those un-fused SE conductors up to 10 feet in the building...which conflicts with 230.70(A)(1) which was to limit the length of un-fused SE conductors inside a building.

I think something should be written to prohibit those Line Side Connections inside a Panel...at least in the homeowner environment.

705.31 should be removed...IMO


Joined: Jul 2004
Posts: 9,669
Likes: 6
G
Member
I agree. I was surprised when John pointed it out to me. I thought we were trying to get away from excessive amounts of SE inside the house.
I smell solar contractors getting a short cut in the code to make their bids less. I guess I have to go look at the ROP and see where this came from.


Greg Fretwell
Joined: Apr 2002
Posts: 7,283
Likes: 3
Member
Guys:
I agree with you on the 'unprotected' tap from the service conductors to the solar AC disconnect, being a possible safety issue for those unfamiliar with solar grid tie.

Hence the 'both line & load sides of this disco may be HOT'

As to length, my inspector and I use the 'same' as service conductors practice. We are still '11 NEC.

FYI, I am not a 'lover' of the line tap; however I have to accept it IF it is compliant.


John
Joined: Jul 2004
Posts: 9,669
Likes: 6
G
Member
I understand that if it is code, we are stuck with it but the breaker on the load end of this solar tap is still a service disconnect. If this wire starts getting very long, you have to ask if the disconnects are grouped.


Greg Fretwell
Joined: Jun 2004
Posts: 613
S
Member
Originally Posted by gfretwell
If this wire starts getting very long, you have to ask if the disconnects are grouped.


Some AHJ's don't consider it a "Service Disconnect"...they consider it a "PV Disconnect" and therefore grouping is not required.

Placards denoting each other would be installed at both locations of equipment if not grouped.

I disagree and prefer grouping like you.

Last edited by shortcircuit; 01/20/15 06:43 PM.
Page 3 of 3 1 2 3

Link Copied to Clipboard
Featured:

Tools for Electricians
Tools for Electricians
 

* * * * * * *

2020 Master Electrician Exam Preparation Combos
2020 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
pcsailor
pcsailor
Minneapolis, MN, USA
Posts: 21
Joined: September 2019
Top Posters(30 Days)
dsk 7
wa2ise 1
Popular Topics(Views)
284,930 Are you busy
217,466 Re: Forum
203,765 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.7.5