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Tools for the Trades
Below is a collection of Reference Data, Tables and Calculators for the Electrical, Plumbing, HVAC and Data Comm Industries. To suggest additonal items for this page click here. Just for fun we have also included both a Wind Chill/Temperature Conversion Calculator, and a Wind Chill Temperature Table.

Electrical Tables and Calculators
Full Load Amp Ratings		Conduit Fill Tables
Single Phase Motor Table		EMT, IMC and Rigid Conduit
Single Phase Motor Calculator		Sch 40 and Sch 80 PVC Conduit
Three Phase Motor Table		Flexible Conduit
Three Phase Motor Calculator		Liquidtight Conduit
Single Phase Transformer Table		Mallable Conduit Bodies
Single Phase Transformer Calculator		Aluminum Conduit Bodies
Three Phase Transformer Table		Form 7 Conduit Bodies
Three Phase Transformer Calculator		Wiremold Raceway
Direct Current Motor Table
Direct Current Motor Calculator
Voltage Drop		Conductor Characteristics
Voltage Drop Table		Allowable Ampacities of Insulated Conductors
Wire Size Calculator		Wire Size Calculator
		Conductor Sizes 3 Wire 1Ø Residential Services
Grounding Tables and Calculators		Electrical Calculators and Formulas
Equipment Ground Calculator 250-122		Useful Electrical Formulas
Equipment Ground Table 250-122		Ohms Law Calculator
Service Entrance Ground Calculator 250-66		Ohms Law Power Calculator
Service Entrance Ground Table 250-66		Ohms Law Impedance Calculator
		Sylvania Energy Cost Savings Worksheet
NEMA Configurations		Wiring Size Cubic Inch Requirements
Straight Blade Configurations		Box Wire Capacity Calculator
Locking Blade Configurations
Acme Buck-Boost Transformer Selection Charts		FPE Buck-Boost Transformer Selection Charts
120x240V - 12/24V 1 Phase		120x240V - 12/24V 1 Phase
120x240V - 12/24V 3 Phase		120x240V - 12/24V 3 Phase
120x240V - 16/32V 1 Phase		120x240V - 16/32V 1 Phase
120x240V - 16/32V 3 Phase		120x240V - 16/32V 3 Phase
240x480V - 24/48V 1 Phase		240x480V - 24/48V 1 Phase
240x480V - 24/48V 3 Phase		240x480V - 24/48V 3 Phase
GE Buck-Boost Transformer Selectors		Fulham Electronic Ballast Selection Guide
120x240V - 12/24V 1 Phase		Fulham Electronic Ballast Selection Guide
120x240V - 12/24V 3 Phase
120x240V - 16/32V 1 Phase
120x240V - 16/32V 3 Phase
GE Motor Control Selectors
GE Motor Control Selector Page
Product Selection Guides		Common Conversions
Ideal Wire Lube Guide		Common Conversion Tables
Nutone Vent Fan Selection Guide		Common Conversion Calculator
Steel City Floor Box Selection Guide
Steel City Poke-Through Selection Guide
Plumbing Tables and Calculators
Copper Pipe Characteristics		Copper Pipe Internal Working Pressure
Table 2a Type K Copper Tube		Table 3a Type K Copper Tube
Table 2b Type L Copper Tube		Table 3b Type L Copper Tube
Table 2c Type M Copper Tube		Table 3c Type M Copper Tube
HVAC/R Tables and Calculators
Calculators		Tables and Charts
Round Duct to Square Feet Calculator		Convert Round Duct Area to Square Feet
BTU to Ton of Refrigeration Calculator		Table BTU to Ton of Refrigeration
Watts to BTU Calculator		Roof Flashing Selection Guide
Airflow Calculator
Product Selection Guides
Thermolec Boiler Selection Guide
Thermolec Electric Plenum Heater Selection Guide
Data Comm Tables
Cable Attenuation Tables		Channel Link Attenuation and Loss
Coaxial and UTP Cables		Basic / Channel Link
UTP Horizontial Runs		Basic / Channel Link Loss (Pair to Pair)
UTP Backbone Runs

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