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Doctor vatios 2008 guia electrica del bolsillo
The most efficient electrical pocket guide on the market is now available in Spanish and updated to the 2008 NEC!
Empacado con toda la informaci n ACTUALIZADA del 2008 C digo El ctrico Nacional, los 2008 Vatios de doctor son la #1 Gu a El ctrica del Bolsillo para electricistas. Muchas nuevas mesas de NEC, las f rmulas, las ilustraciones y los ejemplos detallados hacen esta una referencia imprescindible para cualquiera trabajando con la electricidad.
All 2008, 2005 and 2002 versions of the Dr. Watts include:
* NEC Tables include Allowable Ampacities, Derating, Burial Depths, Grounding, & Wire-Fill
* Basic Electrical, Power, voltage & Transformer Formulas
* Examples depicting bending, transformer installations, branch circuits and GFCI's
* Wire-Fill for EMT NEC Annex C-Table C1
* Common NEMA Enclosure Types
* Metric Essentials for Electricians
* NEMA Motor Starter Reference Chart
* 3-phase A.C. Motor Connections for 9-Lead, Dual-Voltage Motors
* Calculating Conduit Bends for Offsets and Saddles
* Useful Electrical power Formulas
* Derating Ampacities at a Glance More Than a Conductors in a Raceway NEC Article 310
* Service Grounding and Bonding at a Glance NEC Article 250
* Typical Motor Branch Circuit at a Glance NEC Article 430
* Typical Transformer Installation at a Glance NEC Articles 240, 250 & 450
* Feeder and transformer Tap Rules at a Glance NEC 240.21
