Residential Splice Box

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adavey

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New York
Can I splice 2 - 12/2 NM cables in a junction box and then sheetrock over the cover, or does the splice box have to be accessible ????????
 
adavey said:
Can I splice 2 - 12/2 NM cables in a junction box and then sheetrock over the cover, or does the splice box have to be accessible ????????

A splice would ,...but not these,..these little gems can be concealed
 
Just so you know, my comment was not derogatory at all. It was a response to sierrasparky's statement.

MD-- can those be concealed without having access to them. I thought they could be in a wall but you still needed accessibility to them....
 
Tyco makes them and may be others.

I believe they can be concealed under certain circumstances


http://iaei-western.org/Files/2007/2...ePanel_Q&A.doc


Quote:
93. A company advertises a "Romex 3 Conductor Splice Kit" which has been used in the past for connecting power in sections of a modular home. This company is now also claiming that these splice kits can be used in remodeling work in an existing house and be buried in the wall per "Article 334-40b" (their exact terminology). The UL listing category appears to be QAAV, which in the brief description in the White Book indicates that these must be capable of withstanding"... mechanical shock that might occur while transporting the units in which they are used." which would seem to indicate their use is for the modular home connections and not for burial in a wall. Is this the correct listing for the product? Can they be buried in a wall?

Answer;

As the question states that these NM cable and splice kits are Lsited under the category Non Metallic Sheathed Cable Interconnectors (QAAV), located on page 240 in the 2007 White Book. This category covers self-contained interconnectors employing pressure cable connectors, insulation displacement or insulation piercing connectors for splicing or tapping nonmetallic (NM) sheathed cable. These interconnectors are intended for installation in accordance with ANSI/NFPA 70, "National Electrical Code."
These devices have been investigated for equivalency to Type NM cable in insulation and temperature rise, and for capability to withstand fault currents, vibration and mechanical shock that may occur during transport of the units in which they are used.

300.15 Where boxes or fittings are required, (H) Insulated Devices As permitted in 334.40(B), a box or conduit body shall not be required for insulated devices supplied by nonmetallic-sheathed cable.

334.40 (B) Devices of Insulating Material Switch, outlet, and tap devices of insulating material shall be permitted to be used without boxes in exposed cable wiring and for rewiring in existing buildings where the cable is concealed and fished. Openings in such devices shall form a close fit around the outer covering of the cable, and the device shall fully enclose the part of the cable from which any part of the covering has been removed.

These interconnecors are insulating devices equivalent to NM cable and can be installed in accordance with Section 33.40(B), so if is being used for rewiring in existing building, it can be concealed and fished.


 
M. D. said:
334.40 (B) Devices of Insulating Material Switch, outlet, and tap devices of insulating material shall be permitted to be used without boxes in exposed cable wiring and for rewiring in existing buildings where the cable is concealed and fished. ~~
These interconnecors are insulating devices equivalent to NM cable and can be installed in accordance with Section 33.40(B), so if is being used for rewiring in existing building, it can be concealed and fished.


The cable can be concealed and fished.... Not the connector.... Well I guess the connector can be fished too - but not concealed....
 
e57 said:
The cable can be concealed and fished.... Not the connector.... Well I guess the connector can be fished too - but not concealed....

Fished, what kind of bait would you use ?



Answer, "LIVE" bait.



Off topic , waiting to see what happens. :D
 
I must confess that I have used the tap version of these NM-cable devices, but so far, only where accessible, like a crawl space, and only for a receptacle of a known load, namely a wall-mounted TV. The tap does not require cutting the main run's conductors.

I played with one for two days before deciding to use them. They are very sturdy, and the insulation-displacement jaws get quite a bite on the conductors, and the plug-in contact is very firm; certainly as good as a plug-in breaker's contact with the bus.

One more thing. You can install them while the line is hot, like with Kup-L-Taps. The clear lid forces the conductors into the jaws (doubled up for each contact, by the way.) It helps to bend the conductors to fit their pathway before installing them.
 
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