Packed with all the updated information from the 2008 National Electrical Code, the 2008 Doctor Watts is the
#1 Electrical Pocket Guide for electricians. Many new NEC tables, formulas, illustrations and detailed examples make this an indispensable reference
for anyone working with electricity.
This shirt-pocket guide is loaded with essential information for everyday
reference. Its heavy laminated pages and built-in tabs make it sturdy and
durable enough to stand up to tough on-the-job conditions.
This 2008 edition encompasses new pages containing:
- Numerous new NEC tables
- Formulas with clear, concise explanations of usage
- Detailed reference tables and illustrations
- In-depth examples
All 2008, 2005 and 2002 versions of the Dr. Watts include:
- NEC Tables include Allowable Ampacities, Derating, Burial Depths, Grounding, & Wire-Fill
- Metric Reference Chart
- Basic Electrical, Power, voltage & Transformer Formulas
- Examples depicting bending, transformer installations, branch circuits and GFCIs
Table of Contents:
NEC Tables:
310.16
310.15(B)(2)(a)
300.5, 250.66
250.122
Wire-Fill for EMT NEC Annex C-Table C1
Reference:
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
Formulas:
Basic Electrical Formulas
Useful Electrical power Formulas
Common Voltages
Voltage Drop Formulas
Transformer Calculations
Examples:
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
Common GFCI Locations
2008 Dr. Watts Pocket Electrical Guide