Splicing Romex

I need to lengthen some old wiring in order to make all the wires of a 3-way switch come together in a recessed lighting box that I am installing in a first floor ceiling (no insulation).
In doing some web research, I see that splices can be done, but they must be done in a junction box, and must be accessible.
It is the second part that is confusing me. How can I make the junction box accessible when I just need to lengthen the wire by about a foot in the ceiling of a finished area? It wouldn't be a big deal to remove the light fixture, but "accessible" to me means the box is visible or in some access door.
Thanks.
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My attic has 3 junction boxes that are not accessible from below. Check your local code anyway (by calling the building inspector).
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"old work" box with a blank plate. http://www.hammerzone.com/archives/elect/remodel1/lighting/track2ft/oldworkbox.htm

The box is flush with the ceiling.
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http://www.hammerzone.com/archives/elect/remodel1/lighting/track2ft/oldworkbox.htm
I've used Carlon boxes before in walls. So you're saying I need to put a box in the ceiling with a cover? Man, that would be ugly.
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Maybe so... but that's what's required.
--
Regards,
Doug Miller (alphageek at milmac dot com)
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On Sat, 05 Apr 2008 22:52:54 GMT, snipped-for-privacy@milmac.com (Doug Miller) wrote:

It's required as it should be. That is, it has a function.
I've seen much worse-looking "decorative items". These have no actual use, so are not ugly.
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On Sat, 5 Apr 2008 17:46:11 -0400, "Buck Turgidson"

If THAT is ugly, A/C vents are much more so. I find I hardly ever notice mine.
Would it help to mount a smoke alarm over that box?
--
Mark Lloyd
http://notstupid.laughingsquid.com
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Yes.
Not really. Barely noticeable.
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Buck Turgidson wrote:

the medicine cabinet, when I cleaned up the wiring in the bathroom shortly after moving in here. Thankfully it was a low-draw circuit and hadn't started any fires, and I had access from the attic to drop a new wire.
When you say first floor, I assume there is no access from above? Are the wires in the joist spaces floating or stapled? Which way do they run? Any way you can add a junction box in a closet ceiling or some place it won't look horrible, and fish the wires there? Or can you get to the far end of the wire, and use the existing wire to pull a new longer wire? Wire costs a lot more than it used to, but it is still cheaper than patching wallboard and repainting. Any other way you can fish new wire and just abandon the existing wires in place? Really hard to offer advice without seeing the room. You may wanna consider hiring one of those moonlighting or semi-retired electricians that advertise in the ad papers, to come take a look. Make sure they have 'old work' experience. They usually know a few tricks about fishing wires, and other ways to lay out a circuit.
-- aem sends...
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If you are using the junction box to support the light fixture then you are fine in doing that. Fixture boxes are frequently used as junction boxes. Just make sure that the box is deep enough for all of the wires.
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What "accessible" means _to_you_ is not relevant. What _is_ relevant is its meaning in the National Electrical Code: "Capable of being removed or exposed without damaging the building structure or finish, or not permanently closed in by the structure or finish of the building."
What's above the ceiling?
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Doug Miller (alphageek at milmac dot com)
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On Sat, 05 Apr 2008 22:49:38 GMT, snipped-for-privacy@milmac.com (Doug Miller) wrote:

Actually if you can remove the new ceiling box and access the old one witthout disturbing the buildiing finish it is accessible. That is the way you get to the box in a recessed can. I am thinking big hole, big goof ring around the luminaire, preferably with a big base.
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The junction box of most recessed fixtures is designed for feed through splices. Although it is essentially buried in the ceiling, it is legal because it's accessible by simply removing part of the fixture . In you situation, you may have too many conductors in the box

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On Sat, 5 Apr 2008 17:00:11 -0400, "Buck Turgidson"

A regular electrical box with a solid plate cover, secured in place with a screw is the usual. A plate might look untidy or perhaps unprofessional by an inspector, and in that case buy a longer Romex piece or move the fixture.
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Where does the other end of this "not long enough" cable go? Is it possible to fish a new cable and just abandon the old one? It seems this would probably be the best solution.
steve

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