Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Electrical

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 09-10-2012, 04:53 PM   #1
Member
 
Join Date: Jun 2012
Location: NOLA
Posts: 290
Share |
Default

Wires for fluorescent


I need to extend some wires within some luminaires with T8 fluorescent lamps. Some new tombstones are part of the equation. It looks like I need 18 AWG solid wires to fit the sockets that I have in hand.

The question is, what can the wire rating be? I am not sure what the 18 AWG selection will be in close-by stores so if multiple ratings can be used, please give any/all common ones to me!

Thanks!

ionized is offline   Reply With Quote
Old 09-11-2012, 06:04 AM   #2
Member
 
Julius793's Avatar
 
Join Date: Dec 2011
Location: New york
Posts: 1,053
Default

Wires for fluorescent


Quote:
Originally Posted by ionized View Post
I need to extend some wires within some luminaires with T8 fluorescent lamps. Some new tombstones are part of the equation. It looks like I need 18 AWG solid wires to fit the sockets that I have in hand.

The question is, what can the wire rating be? I am not sure what the 18 AWG selection will be in close-by stores so if multiple ratings can be used, please give any/all common ones to me!

Thanks!
I don't understand what your doing but you can use 14awg if you have some

__________________
Electricity will kill you if you give it a chance
Julius793 is offline   Reply With Quote
Old 09-11-2012, 11:51 AM   #3
Member
 
Join Date: Jun 2012
Location: NOLA
Posts: 290
Default

Wires for fluorescent


I would need to know what kind of wire is needed in 14 AWG as well. It seems, however, like the common replacement sockets are all all "push-in". !8 AWG seems to be specified by the socket manufacturer so I am not sure 14 AWG will fit, I thought about trying it. The ballasts have 18 AWG and the specs indicate that 18 AWG is adequate for remote mounting up to 18 feet away.

The question is what are the specification required for ballast to socket and ballast to power wire within the luminaire. Is it identical to what is used in conduit under the same conditions? What is the alphabet soup that I should see on the wire types that would be acceptable, thhn,thwn,....?
ionized is offline   Reply With Quote
Old 09-12-2012, 05:13 PM   #4
Member
 
Join Date: Jun 2012
Location: NOLA
Posts: 290
Default

Wires for fluorescent


Please help. Does anyone know what kinds of solid-conductor wire are rated for use in conduit in common indoor situations? It seems like this should be very common knowledge.
ionized is offline   Reply With Quote
Old 09-12-2012, 07:11 PM   #5
Electrical Contractor
 
kbsparky's Avatar
 
Join Date: Sep 2008
Location: Delmarva
Posts: 3,360
Default

Wires for fluorescent


Type TFFN wire is commonly used in fixture applications.
__________________
-KB

Life is uncertain -- eat dessert first!!
kbsparky is offline   Reply With Quote
The Following User Says Thank You to kbsparky For This Useful Post:
andrew79 (09-12-2012)
Old 09-12-2012, 10:55 PM   #6
Master Electrician
 
Join Date: Mar 2010
Location: Toronto Ontario
Posts: 1,165
Default

Wires for fluorescent


Quote:
Originally Posted by kbsparky
Type TFFN wire is commonly used in fixture applications.
Yup if its travelling past the ballast it has to have a certain temperature rating. I believe its 105 degrees celcius but I'm just going off memory and could be wrong.
__________________
Sarcasm is my friend
I'm here to learn too, i do mostly commercial/industrial/new construction and this place is a great way to pick up tips on residential from some good electrical minds. Excuse the spelling, my phone has a mind of it's own.
andrew79 is offline   Reply With Quote
Old 09-13-2012, 09:53 AM   #7
Member
 
Join Date: Jun 2012
Location: NOLA
Posts: 290
Default

Wires for fluorescent


Thanks. I remember reading somewhere that the fluorescent luminaires of this type (channel) can be used like conduit is since power to other luminaires is passed through them. I assumed that means that same wire used in typical conduit could be used here as well. Maybe that is not the case. What is common for indoor conduit application?

I'll have to go to an electrical supply specialist. The more pedestrian stores near me don't sell 18 AWG (except for lamp, zip, cord and some other unsuitable stuff ). I don't know if it would be wise to use 14 AWG even if I can cram it in there since the sockets seem to be designed for 18.
ionized is offline   Reply With Quote
Old 09-13-2012, 03:38 PM   #8
Master Electrician
 
Join Date: Mar 2010
Location: Toronto Ontario
Posts: 1,165
Default

Wires for fluorescent


If your using the fixture as a raceway you can't use 18 gauge. You will need normal sized wire as per your circuit. 18 gauge is only good for load side of the ballast. You have to run heat rated wire as you pass the ballast. This isn't just regular wire.
__________________
Sarcasm is my friend
I'm here to learn too, i do mostly commercial/industrial/new construction and this place is a great way to pick up tips on residential from some good electrical minds. Excuse the spelling, my phone has a mind of it's own.
andrew79 is offline   Reply With Quote
Old 09-13-2012, 04:40 PM   #9
Member
 
Join Date: Jun 2012
Location: NOLA
Posts: 290
Default

Wires for fluorescent


Thanks, I understand about 14 ga for pass-through power to other luminaires/devices. The black and white wires for the power to ballast is 18 ga. It should be OK to extend this with 18 ga from the 12 or 14 ga comes into the channel if it only serves that ballast and is within the channel, right?

I could probably figure this all out from markings on the ballast wires, but it is too darn small for me to read and I thought if there might be more than one option, I'd like to know.

TFFN it will be.
ionized is offline   Reply With Quote
Old 09-13-2012, 04:56 PM   #10
Electrical Contractor
 
jbfan's Avatar
 
Join Date: Jun 2004
Location: Newnan GA
Posts: 5,633
Default

Wires for fluorescent


What are you trying to do, mount a remote ballast?
__________________
Yes I am a Pirate, 200 years too late. "Jimmy Buffett"
jbfan is offline   Reply With Quote
Old 09-13-2012, 05:18 PM   #11
Member
 
Join Date: Jun 2012
Location: NOLA
Posts: 290
Default

Wires for fluorescent


Thanks, no remote mounting. I am just converting about 17, T12 slimline 8' luminaires (mostly twin tube) in my home and garage to 4' T8. The program-start ballasts that I have are manufactured with leads that are a little too short. They seem to be designed with 4 tubes side by side in mind. I have to extend the leads to make them reach the ends of the 8' channels.

An electrician owned the home and it is clear that he installed some salvaged equipment in this and other areas. I need to get out of T12 and out of instant-start. I am over lamped. With retrofit kits and bulk buy, low ballast factor, programed-start ballasts from ebay, I can do it for less than $36/luminarire including the wire nuts and some extra wire, which is a lot less than new luminaires that I have been able to find. I ought to save a little power in the long run, though that will probably be trivial compared to my dislike for the 8' tubes and the inappropriate instant-start.
ionized is offline   Reply With Quote
Old 09-13-2012, 05:22 PM   #12
Electrical Contractor
 
jbfan's Avatar
 
Join Date: Jun 2004
Location: Newnan GA
Posts: 5,633
Default

Wires for fluorescent


How short are you from each ballast to the ends?

Pm you your address and I will send you some wire.
__________________
Yes I am a Pirate, 200 years too late. "Jimmy Buffett"
jbfan is offline   Reply With Quote
Old 09-13-2012, 06:04 PM   #13
Member
 
Join Date: Jun 2012
Location: NOLA
Posts: 290
Default

Wires for fluorescent


That is way too generous of an offer. i am using GE432-MVPS-L ballasts. I already did a bunch of 2', 3' and 4' luminaires with GE232 ballasts and that went fine with the leads. I was a little taken aback when the the 4-lamp ballast leads came up short. There is no real need for me to keep the wire colors consistent within the channel as long as I can keep it straight myself, is there? I have a little wire that from those that I trimmed and saved.
----------
For the power supply, black and white, wires I am 2' or less short.

For the (2) yellow wires that will each be wired in parallel in all 4 sockets, I am probably fine since they gave me 47" and I will can do all of them at the center 4 sockets.

With the blue, red, red/white and blue/white wires I will be abut 15" short +/- about 10" of ballast length depending on which direction those particular sockets are from the ballast. That would be either 5" on one side and 25" on the other then I guess.
ionized is offline   Reply With Quote
Old 09-13-2012, 06:33 PM   #14
Electrical Contractor
 
jbfan's Avatar
 
Join Date: Jun 2004
Location: Newnan GA
Posts: 5,633
Default

Wires for fluorescent


I have lots of scrap ballast wiring.
Just pm how may feet you need, and I will send it to you.

__________________
Yes I am a Pirate, 200 years too late. "Jimmy Buffett"
jbfan is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
D 3 number 12 wires equal one number 8 wire? Uncle Wayne Electrical 3 01-26-2011 08:00 PM
if there are red white green and black wires coming out of your walls like everywhere cray331 Electrical 3 01-17-2011 12:56 PM
240v conduit with different gauge wires... Biospot Electrical 7 12-14-2010 07:07 PM
Removing wall with wires in it jboswald Electrical 11 11-29-2009 02:55 PM
Three hot wires coming into a receptacle? Jeff DIY Electrical 10 10-07-2009 01:35 PM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.