NECA
NECA National : http://www.necanet.org/
NECA Convention: http://www.necaconvention.org/
ELECTRI International: http://electri.org/
ELECTRICAL CONTRACTOR Magazine: http://www.ecmag.com/
Safety/Training
National Electrical Installation Standards (NEIS): http://www.neca-neis.org/
Electrical Training Alliance: http://www.electricaltrainingalliance.org/
Safety Conference: http://www.necasafetyconference.com/
OSHA: https://www.osha.gov/