Demand charge coming soon to residential customers?:

1/3 of US on smart meters by 2015?
WSJ article

ESTIMATING TEMPLATES:

estimate sheet
takeoff - counts
takeoff - equipment
takeoff - length

HAZARDOUS LOCATIONS:

major repair facility - unvented
major repair facility - vented
minor repair facility - unvented
minor repair facility - vented

TRAINING:

TECHNICAL:

Generac generator sizing program
Power factor correction
3 phase 4 wire cu feeders

Motors & Transformers:

motor calculation spreadsheet
nec motor diagram
transformer ampacity
How motors are made

VIDEOS:

bird on a wire
480 volt arc flash demo
power plant substation explodes

Historical NEC:

1896 NEC
1899 NEC
1904 NEC
1907 NEC
1911 NEC