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Tools & Calculators

Energy Savings Calculators
Simple Calculator (xls)
Project Calculator (xls)

Lighting Tools & Calculators
Sylvania's guide to the best replacement options for lamps that are being eliminated due to inefficiency
LED Product Selection Tool

Heating/Ventilation Tools & Calculators
SR Trace Easy Heat Roof & Gutter De-Icing Calculation Worksheet

Conduit Fill Tables
EMT, IMC and Rigid Conduit
Sch 40 and Sch 80 PVC Conduit
Flexible Conduit
Liquidtite Conduit

Wiremold Raceway
Wiremold 500/700 Wire Capacities Data
Wiremold 2000 Wire Capacities Data
Wiremold 2100 Wire Capacities Data
Wiremold 2400 Wire Capacities Data
Wiremold 3000 Wire Capacities Data
Wiremold 4000 Wire Capacities Data
Wiremold 400/800/2300 Wire Capacities Data
Wiremold 5000 Wire Capacities Data
Wiremold 6000 Wire Capacities Data
Wiremold NM2000 Wire Capacities Data

Voltage Drop
Voltage Drop Table
Wire Size Calculator

Equipment Ground Tables & Calculators
Equipment Ground Table
Service Equipment Grounding Table

Buck Boost – GE Calculator
GE Single Phase Buck-Boost Transformer Selector Input Voltage 120/240 - Output Voltage 12/24 Volts
GE Three Phase Buck-Boost Transformer Selector Input Voltage 120/240 - Output Voltage 12/24 Volts
GE Single Phase Buck-Boost Transformer Selector Input Voltage 120/240 - Output Voltage 16/32 Volts
GE Three Phase Buck-Boost Transformer Selector Input Voltage 120/240 - Output Voltage 16/32 Volts

Full Load Amp Ratings
Single Phase Motor Table
Three Phase Motor Table
Single Phase Transformer Table
Three Phase Transformer Table

NEMA Configurations
Straight Blade Configurations
Locking Blade Configurations

General Formulas & Calculators
Ohm's Law Calculator
Common Electrical Formulas

Disclaimer:
Crawford takes no responsibility for any false or misleading information contained in the tables and calculators provided here. The use of these tables and/or calculators is the sole responsibility of the user. Crawford does not guarantee that the results produced by using these tables and/or calculators is correct or applicable in all situations. The user must also understand that the National Electrical Code may or may not be legally acceptable in their area. Furthermore, electrical codes may be modified or superseded by the locality in which the work is done.