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DIAMETERS OF ALL SUNDIAL WIRES
Please check that the diameter of each wire you order will
fit in the aperture for which it is intended.
The measurements in mm are more accurate than the measurements in inches.
Also, please do not choose solely based on what fits. Please make
sure the gauge you choose is appropriate for the electrical
draw of your device or fixture.
Please note that the parallel wire has two dimensions, height and width, since
its shape is rectangular rather than round.
Twisted wire is measured at its widest point.
|
Gauge
|
Wire Style
|
Diameter
in Inches
|
Diameter
in mm
|
|
14-gauge
|
Pulley Cord
|
5/16"
|
8.7 mm
|
|
18-gauge
|
Pulley Cord
|
1/4"
|
7.1 mm
|
|
16-gauge
|
Overbraid
|
1/4"
|
6.8 mm
|
|
18-gauge
|
Overbraid
|
7/32"
|
6.1 mm
|
|
16-gauge
|
Twisted Pair
|
1/4"
|
6.9 mm
|
|
18-gauge
|
Twisted Pair
|
1/4"
|
6.5 mm
|
|
20-gauge
|
Twisted Pair
|
5/32"
|
4.2 mm
|
|
22-gauge
|
Twisted Pair
|
1/8"
|
3.7 mm
|
|
18-gauge
|
Parallel
|
7/32" wide x 3/16" high
|
5.7 mm wide x 4.8 mm high
|
|
12-gauge
|
Single Conductor
|
3/16"
|
4.9 mm
|
|
14-gauge
|
Single Conductor
|
5/32"
|
4.1 mm
|
|
18-gauge
|
Single Conductor
|
1/8"
|
3.3 mm
|
DIAMETERS OF PLUG OPENINGS
This table lists the size of the openings where the wire is inserted in the plugs we sell.
Please note the rectangular plug has a rectangular opening, hence the two dimensions.
All the other plugs have round openings.
All of the button plug styles have the same diameter opening.
|
Plug Style
|
Diameter
in Inches
|
Diameter
in mm
|
Button
|
9/32"
|
7.5 mm
|
|
Rectangular
|
7/16" x 5/16"
|
11.2 mm x 8.4 mm
|
|
Round with Neck
|
13/32"
|
10.7 mm
|
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Knob & Tube
Knob & tube wire is a reproduction of wire used for house wiring from the 1880s to the 1930s.
The wire is called "knob and tube" because it was run through porcelain wire clamps, called knobs,
to hold it to the wall. The wire was run through porcelain tubes where it was run through the wood
parts of the house frame. There is a description and several great photos of knob and tube wiring at
Wikipedia's knob and tube page.
Please note that this wire is solid core, which means it is one solid piece of copper, NOT made of several finer strands.
As a result, the wire is stiff, not bending easily, and holds its shape when bent. The wire is single-conductor with a lacquered,
black cotton braid over PVC insulation.
This is a Sundial Wire exclusive, not available elsewhere, and was manufactured especially for replacing existing knob and tube
wiring in historical sites, museums, diplays, etc. It is also useful for any application requiring a heavy duty single conductor wire.
PLEASE NOTE: BUILDING CODES PROHIBIT REPAIRING EXISTING KNOB AND TUBE WIRING IN BUILDINGS. IT MUST BE FULLY REPLACED IF IT IS TO BE ALTERED.
PLEASE CONSULT YOUR BUILDING INSPECTOR BEFORE MAKING ANY CHANGES TO EXISTING KNOB AND TUBE WIRING. THIS WIRE IS INTENDED FOR MUSEUM, THEATRICAL,
AND NON-BUILDING WIRING.
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