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Massachusetts, 01923-2096
Hotwatt Telephone Number Tel # (978) 777-0070   Hotwatt Fax Number Fax # (978) 774-2409
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Technical:  Index

Technical Information


Wattage Calculation Formulas and Examples
      Problem 1:  Basic Heating and Heat Loss
      Problem 2:  Paraffin Melting
Guide for Heat Losses
Properties of Liquids and Gases
Properties of Metals
Properties of Non-Metallic Solids
Suggested Sheath Materials
Suggested Watt Densities
Technical - Empirical Guideline for Cartridge Heater life

Mathematical Conversions
Areas and Volume
Circumferences and Areas of Circles
Inches to Millimeter
Temperature Conversions

Miscellaneous Information
Current Carrying Capacity of Straight Nickel/Ribbon Nickel Chromium Wire
Guide to High Temperature Wire and Cable
Installation Instructions
Ohms Law and Wiring Diagrams
Stainless Steel Pipe Sizes/American Standard Taper Pipe Threads
     Thermal Systems
     Wire Gauge Size Equivalents