The 2008 Dr. Watts Pocket Electrical Guide is packed with all the updated information from the 2008 National Electrical Code, as well as many new NEC tables, formulas, illustrations and detailed examples. Loaded with essential information for everyday reference, this indispensable resource features heavy laminated pages and built-in tabs for improved sturdiness on the job.

• 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