This 6-page guide provides the tables and formulas needed on a daily basis, making this laminated, full-color reference a true essential for every electrical contractor.
Features:
- Conductors
- Cable Insulation Moisture Ratings
- Additional Insulation Letter Codes
- Specific Wiring Applications
- Safety First + Safety Always = Good Electrician
- Cord
- Flexible Cords And Cable Uses
- Calculating Branch Circuit Voltage Drop In Percent
- Voltage Drop Formulas
- Conductor Size /Voltage Drop
- Conductor Length/Voltage Drop
- Voltage Drop Using Ohm s Law
- Electrical Cable Class Ratings
- Busway Or Busduct
- Switchboards Or Switchgears
- Circuit Breaker/Fuse Sizes
- Pull Box And Junction Box Sizes
- Panel Board Sizes
- Disconnect Sizes
- Gutter And Wireway Sizes
- Standard Wiring Colors
- Outlet/Devices/Junction Box Fill
- Conductor Volume Allowance