romex extenison cord

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Mark g

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The AV guy wants us to run 14/2 from his rack of equipment thru the walls, floors to the area behind the TV. He said that he would put cord ends on the romex for the TV power. I'm looking for a code reference to say we can't do that. thanks
 
For starters the cord connectors are not listed for use with solid conductors.

For another the NEC requires the use of recognized wiring methods.
 
Mark g said:
The AV guy wants us to run 14/2 from his rack of equipment thru the walls, floors to the area behind the TV. He said that he would put cord ends on the romex for the TV power. I'm looking for a code reference to say we can't do that. thanks
Click to expand...

i don't have my code book with me, but i'm pretty sure there is an article in the NM cable section that actually permits that.
 
Mark, you can always use a regular or clock receptacle behind the TV, and a power inlet behind the stack. The advantage is that the TV can be supplied by the same surge protector that the rest of the system is supplied by.

Power inlets I made:
Inlet1.jpg
Inlet2.jpg
 
iand74 said:
i don't have my code book with me, but i'm pretty sure there is an article in the NM cable section that actually permits that.
Click to expand...

Well, when you get your code book in hand tomorrow please let us know where you find it.

Roger
 
LarryFine said:
Mark, you can always use a regular or clock receptacle behind the TV, and a power inlet behind the stack. The advantage is that the TV can be supplied by the same surge protector that the rest of the system is supplied by.

Power inlets I made:

​
Click to expand...

Is that a listed use of cover plates?
flute.gif
 
480sparky said:
Is that a listed use of cover plates?
flute.gif
Click to expand...
Dunno, but I'll be glad to put them on a list if you like. :grin:

They're unbreakable blanks (necessary for box mounting) I hole-sawed, and pop-riveted in the inlet. I also made some dual-inlet 2-gang ones, some with twist-locks, and some on metal plates. Whatever the request was.
 
you can buy plates with a flanged inlet already on them, need to pigtail it with stranded wire (preferably the more finely stranded TEW/MTW stuff).

why, oh why does not someone make stranded NM-B for these applications?????????????????????
 
wireguru said:
you can buy plates with a flanged inlet already on them ...
Click to expand...
The only ones I've seen commercially made had the weather-proof flip cover on them.

... need to pigtail it with stranded wire (preferably the more finely stranded TEW/MTW stuff).
Click to expand...
Why would they need any more flexibility than any other device?
 
LarryFine said:
The only ones I've seen commercially made had the weather-proof flip cover on them.

Why would they need any more flexibility than any other device?
Click to expand...

I could be wrong, but I swear I saw them. I just checked my hubbell book and they dont have it, leviton and marinco books arent infront of me.

As far as the wire, the pressure terminals in the cord ends and inlets are designed around the more finely stranded wire found in cord. They work with stranded THHN but i have noticed better contact and conductor retention is made with the more finely stranded wire.
 
LarryFine said:
Mark, you can always use a regular or clock receptacle behind the TV, and a power inlet behind the stack. The advantage is that the TV can be supplied by the same surge protector that the rest of the system is supplied by.

Power inlets I made:

Inlet1.jpg
Inlet2.jpg
Click to expand...

Larry those inlets are not designed to be used with solid wire, so I assume you ran flex in the wall with stranded conductors. :grin:



ATTACHMENT PLUGS (AXGV)​
GENERAL​
This category covers the following types of products:​
Adapter​
​
​
​
​
? A device that adapts one blade or slot configuration to another
(including a grounding adapter for a nongrounding receptacle), adapts a
receptacle to a lampholder, or adapts a lampholder to a receptacle (also
known as a separable attachment plug). (See EMDV for similar products.)​

Appliance Coupler​
​
​
​
​
? A single-outlet female contact device to be wired
on flexible cord as part of a detachable power supply cord to be connected
to a male inlet of an appliance.​

Appliance or Flatiron Plug​
​
​
​
​
? An appliance coupler type of device having
a slot configuration specified for use with heating or cooking appliances.​

Attachment Plug​
​
​
​
​
? A male contact device for the temporary connection
of a flexible cord or cable to a receptacle, cord connector, or other female
outlet device.​

Cord Connector​
​
​
​
​
? A female contact device to be wired on flexible cord
for use as an extension from an outlet to make a detachable electrical connection
to an attachment plug or, as an appliance coupler, to an equipment
inlet.​

Male Inlet (Equipment Inlet, Motor Attachment Plug)​
​
​
​
​
? A male contact
device to be mounted on utilization equipment to provide a detachable electrical
connection to an appliance coupler or cord connector.​

Nonseparable Attachment Plug​
​
​
​
​
? An adapter having a male screw shell
and a pair of wire leads to be connected to utilization equipment.​

Separable Attachment Plug​
​
​
​
​
? An adapter having a male screw shell and
a slot configuration outlet.​

Shore Power Inlet​
​
​
​
​
? A male inlet intended to provide power supply connection
to boats moored to a dock. Shore power inlets are also covered
under Shore Power Inlets, Marine (UBXR).​

Table Tap​
​
​
​
​
? A cord connector having more than one outlet and intended
to rest on a horizontal surface while in use.
This category does not cover devices to be molded on flexible cord or wire
and unassembled devices to be factory assembled on flexible cord or wire.
Such devices are complete only after installation of the flexible cord or wire
and they are judged as part of a complete assembly.​

Ratings​
These devices are rated 600 V or less, ac or dc, and 200 A or less. They
may also be rated in horsepower as noted in the individual product categories.
Outlet devices rated 250 V are tested on circuits involving a nominal​
potential to ground of 125 V. Outlet devices having other voltage ratings are
tested on circuits involving full-rated potential to ground, except for
multiphase-rated devices, which are tested on circuits consistent with their
voltage ratings, i.e., a 120/208 V, 3-phase, device is tested on a circuit
involving 120 V to ground.​

Terminals​
The terminations of devices intended to be wired to flexible cord are
based on the use of flexible cord or cable having copper conductors, in
accordance with Article 400 of ANSI/NFPA 70, ??National Electrical Code??
(NEC). The ampacity of flexible cord and cable is based on Section 400.5,
Tables 400.5(A) and 400.5(B). The conductors are sized as specified on the
product or in the manufacturer?s instructions provided with the device. The
terminations are based on the use of 60?C flexible cord or cable.
The terminations of devices intended to be wired onto branch circuit conductors
are based upon the use of 60?C insulated conductors in circuits
rated 100 A or less, and the use of 75?C insulated conductors in circuits
rated more than 100 A, as specified in Table 310.16 of the NEC.​

Grounding​
Devices having a terminal identified by a green-colored finish, the words
??green?? or ??ground,?? the letters ??G?? or ??GR,?? or the grounding symbol are
grounding types. The blade, pin or contact number connected to this terminal​
is for equipment grounding only.
Click to expand...
 
iwire said:
Larry those inlets are not designed to be used with solid wire, so I assume you ran flex in the wall with stranded conductors. :grin:
Click to expand...

Well...:

Terminals
The terminations of devices intended to be wired to flexible cord are
based on the use of flexible cord or cable having copper conductors, in
accordance with Article 400 of ANSI/NFPA 70, ‘‘National Electrical Code’’
(NEC).

Romex has copper conductors, and it doesnt state stranded / solid conductors, just flexible cord OR cable having copper conductors.

~Matt
 
iwire said:
Larry those inlets are not designed to be used with solid wire
Click to expand...
I'm not good at navigating the white book so tell me:
How can you tell if AXGV applies or if AXUT applies? From AXUT:
This category covers adapters, appliance couplers, appliance and flatiron plugs, attachment plugs, cord connectors, male inlets (equipment inlets, motor attachment plugs), nonseparable attachment plugs, separable attachment plugs, shore power inlets and table taps. These devices do not incorporate switches or overcurrent protection.
...
Terminals ? Terminals of appliance couplers, appliance and flatiron plugs, attachment plugs, cord connectors and table taps are intended for use with stranded copper conductors of the type used in flexible cord. Terminals of male inlets (motor attachment plugs) and shore-power inlets of the wire-binding screw, setscrew, or screw-actuated back-wired clamping types are suitable for use with both solid and stranded wire.
Click to expand...
 
Larry, you can buy them through Grainger. The clip is removable Straight Blade Receptacle, Current Rating 15 Amperes, Voltage Rating 125 Volts, NEMA Configuration 5-15R, Type Single, Color Brown, Clock Hanger Outlet, Stainless Steel, Back/Side Wired Grainger Item # 6C117
Price (ea.) $66.90
Brand HUBBELL WIRING DEVICE-KELLEMS
Mfr. Model # HBL5235
Ship Qty. 1
Sell Qty. (Will-Call) 1
Ship Weight (lbs.) 0.35
Usually Ships** Today
Catalog Page No. 494
Country of Origin USA
Enlarge Image
Grainger.
 
iwire said:
Larry those inlets are not designed to be used with solid wire, so I assume you ran flex in the wall with stranded conductors. :grin:
Click to expand...

Well, um, why, sure, I did! :cool:

There's no problem with stranded pigtails, right?
 
TOOL_5150 said:
Terminals
The terminations of devices intended to be wired to flexible cord are
based on the use of flexible cord or cable having copper conductors, in
accordance with Article 400 of ANSI/NFPA 70, ‘‘National Electrical Code’’
(NEC).

Romex has copper conductors, and it doesnt state stranded / solid conductors, just flexible cord OR cable having copper conductors.
Click to expand...
Even if you keep "cord or cable" together, #14 solid is rather flexible.

I just checked a 15a twistlock inlet. Nowhere on the box or the inlet does it specify stranded conductors, although the little "strip like this" picture shows starnds, and states to not tin the wires.
 
wishmaster68 said:
Larry, you can buy them through Grainger. The clip is removable Straight Blade Receptacle, Current Rating 15 Amperes, Voltage Rating 125 Volts, NEMA Configuration 5-15R, Type Single, Color Brown, Clock Hanger Outlet, Stainless Steel, Back/Side Wired Grainger Item # 6C117
Price (ea.) $66.90
Brand HUBBELL WIRING DEVICE-KELLEMS
Mfr. Model # HBL5235
Click to expand...
That is a receptacle. I use white plastic Leviton clock receptacles behind the TV.

Check out 3D189 on the same page. I sold the inlets I made for less than $66.90.
 
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