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Dudley's recently updated
Element Paper, 2012
Please download your e-copy.
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Main Element Page Your Kiln's Electrical System Kiln Controllers
Ceramic Insulators for Element Support Making Your Own Controller
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Here at "Joppa Glass" we wind all of our elements to your custom specifications. If you are not sure what you want or need, please call Dudley Giberson (603) 456-3569 for a free consultation.

When ordering elements please have this info handy:
  • What your kiln is made of?
  • What temperature do you plan to achieve?
  • What are your kiln dimensions?
    1. Outer kiln dimensions
    2. Wall thickness and materials used
    3. Crown thickness and material used
    4. Floor thickness and construction
    5. Inner kiln space
    6. Door size and location

When planning your kiln, one of the first questions you will have to answer is ...

How Will You Install Your Elements?
The Grooved Brick , The Donut System
Or the Ceramic Rod Support System
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The Element's Shape
  • The "arbor" forms the inside diameter of the element.
  • The outside diameter is equal to the thickness of the "arbor" plus two diameters of the raw wire.
anatomy of an element
Element Configuration Chart
Element
Arbor Size
Inside Diameter
of Element (before stretch)
Approximate
Outside Diameter
of Element
Used with
Wire Diameter
How This is
Generally Used
8 .56" 5/8" 15, 16, & 18 Use with #8
Ceramic Rods
7 .405" +1/2" 15, 16, & 18 Use with #7
Ceramic Rods
6 3/8" 1/2" 15, 16, & 18 Grooved Brick
Construction
5 5/16" 3/8" Rarely 15
Usually 16 & 18
Sometimes 20
Usually Suspended With
our "Donut System"
& Sometimes Used With
Internal Structure
such as Mulite Rods
4 1/4" 5/16+ 16. 18. 20 & 22
All Under Special
Circumstances
Sometimes Hung
on Fused Quartz Rods
3 3/16" 1/4" 20 & 22 Ga Wire Used to make
Mini Elements
Please Reference Pages 110-112 of
book image
How We Name Our Elements
element name image

Joppa Glass Element List

Note: These are just some of the number of elements we make.
It is useful for helping you see the prices of typical elements.
Element Name Wire Gauge Volts Amps Watts Comments Price
Place "Arbor" Size
in the "( )" below
           
E240-14-16( ) 16 240 14 3360 Standard Element $42.00
E240-14-15( ) 15 240 14 3360 Heavy Duty $45.00
E240-12-16( ) 16 240 12 2880 Longer Lasting $45.00
E240-12-15( ) 15 240 12 2880 Very Heavy Duty $50.00
E240-10-18( ) 18 240 10 2400 For Pick-up Ovens $40.00
E240-10-16( ) 18 240 10 2400 For Pick-up Ovens $52.50
E240-08-18( ) 18 240 8 1920 Medium Duty $45.00
E240-08-16( ) 16 240 8 1920 Longer Lasting $62.00
E240-05-20( ) 20 240 5 1200 Gen. Light Duty $32.50
E208-14-16( ) 16 208 14 2912 Standard Duty $42.00
E208-14-15( ) 15 208 14 2912 Heavy Duty $45.00
E208-12-16( ) 16 208 12 2496 Standard Duty $43.50
E208-12-15( ) 15 208 12 2496 Super Duty $45.00
E208-10-15( ) 15 208 10 2080 Super Duty $57.00
E120-14-16( ) 16 120 14 1680 Standard Duty $25.00
E120-12-16( ) 16 120 12 1440 Standard Duty $27.50
E120-10-16( ) 16 120 10 1200 Long Lasting $30.00
E120-08-18( ) 18 120 8 960 Medium Duty $26.00
E120-06.25-20( ) 20 120 6.25 750 For Beadkiln $25.00
E120-05-22( ) 22 120 5 600 For cane heater
or beadkiln
$25.00

If you are a glassblower, slumper, fuser, beadmaker, caster, etc., we can help you get up and going. If you don't have our burner and element catalog, please e-mail us joppaglass@conknet.com. We will be happy to help you. If you are interested in learning more about kiln design and the art of electrifying your kiln, perhaps you would enjoy reading about how to build kilns in Dudley's classic text, A Glassblower's Companion. Five chapters are devoted to discussing and building annealers of all sizes, from the very small to the very large. Dudley has helped a good many of these projects get off the ground.

A word to our potter friends seeking replacement elements for your kilns: If you have a Scutt or an Alpine or some other name-brand kiln, I suggest you contact the manufacturer directly or go through a dealer such as JOHN @ SHEFFIELD POTTERY, RT 7 BOX 399, SHEFFIELD, MA. 01257 phone (413) 229-7700. It is really difficult (well near impossible) to replicate an element when all we have for evidence is a small section of broken coils.

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