سلام
BASICS OF ELECTRICITY
http://www.sea.siemens.com/step/pdfs/elec_1.pdf
http://www.sea.siemens.com/step/pdfs/elec_2.pdf
BASICS OF ELECTRICAL PRODUCTS
http://www.sea.siemens.com/step/pdfs/acm_1.pdf
http://www.sea.siemens.com/step/pdfs/acm_2.pdf
http://www.sea.siemens.com/step/pdfs/ep_3.pdf
http://www.sea.siemens.com/step/pdfs/ep_4.pdf
http://www.sea.siemens.com/step/pdfs/ep_5.pdf
http://www.sea.siemens.com/step/pdfs/ep_6.pdf
http://www.sea.siemens.com/step/pdfs/ep_7.pdf
http://www.sea.siemens.com/step/pdfs/ep_8.pdf
http://www.sea.siemens.com/step/pdfs/ep_9.pdf
MOTORS&CONTROL COURSES
BASICS OF AC DRIVES
http://www.sea.siemens.com/step/pdfs/acd_1.pdf
http://www.sea.siemens.com/step/pdfs/acd_2.pdf
http://www.sea.siemens.com/step/pdfs/acd_3.pdf
http://www.sea.siemens.com/step/pdfs/acd_4.pdf
BASICS OF AC MOTORS
http://www.sea.siemens.com/step/pdfs/acm_1.pdf
http://www.sea.siemens.com/step/pdfs/acm_2.pdf
BASICS OF CONTROL COMPONENTS
http://www.sea.siemens.com/step/pdfs/cc_1.pdf
http://www.sea.siemens.com/step/pdfs/cc_2.pdf
http://www.sea.siemens.com/step/pdfs/cc_3.pdf
http://www.sea.siemens.com/step/pdfs/cc_4.pdf
BASICS OF DC DRIVES
http://www.sea.siemens.com/step/pdfs/dcd_1.pdf
http://www.sea.siemens.com/step/pdfs/dcd_2.pdf
http://www.sea.siemens.com/step/pdfs/dcd_3.pdf
http://www.sea.siemens.com/step/pdfs/dcd_4.pdf
BASICS OF PLCS
http://www.sea.siemens.com/step/pdfs/plc_1.pdf
http://www.sea.siemens.com/step/pdfs/plc_2.pdf
http://www.sea.siemens.com/step/pdfs/plc_3.pdf
http://www.sea.siemens.com/step/pdfs/plc_4.pdf
BASICS OF SENSORS
http://www.sea.siemens.com/step/pdfs/snrs_1.pdf
http://www.sea.siemens.com/step/pdfs/snrs_2.pdf
http://www.sea.siemens.com/step/pdfs/snrs_3.pdf
http://www.sea.siemens.com/step/pdfs/snrs_4.pdf
MOTOR CONTROL CENTERS
http://www.sea.siemens.com/step/pdfs/mcc_1.pdf
http://www.sea.siemens.com/step/pdfs/mcc_2.pdf
http://www.sea.siemens.com/step/pdfs/mcc_3.pdf
http://www.sea.siemens.com/step/pdfs/mcc_4.pdf
POWER DISTRIBUTION COURSES
BUSWAY
http://www.sea.siemens.com/step/pdfs/bus_1.pdf
http://www.sea.siemens.com/step/pdfs/bus_2.pdf
http://www.sea.siemens.com/step/pdfs/bus_3.pdf
http://www.sea.siemens.com/step/pdfs/bus_4.pdf
LOAD CENTERS
http://www.sea.siemens.com/step/pdfs/load_1.pdf
http://www.sea.siemens.com/step/pdfs/load_2.pdf
http://www.sea.siemens.com/step/pdfs/load_3.pdf
MOLDED CASE CIRCUIT BREAKERS
http://www.sea.siemens.com/step/pdfs/mccb_1.pdf
http://www.sea.siemens.com/step/pdfs/mccb_2.pdf
http://www.sea.siemens.com/step/pdfs/mccb_3.pdf
http://www.sea.siemens.com/step/pdfs/mccb_4.pdf
PANELBOARDS
http://www.sea.siemens.com/step/pdfs/pnl_1.pdf
http://www.sea.siemens.com/step/pdfs/pnl_2.pdf
http://www.sea.siemens.com/step/pdfs/pnl_3.pdf
POWER MONITORING& MANAGEMENT WITH ACCESS
http://www.sea.siemens.com/step/pdfs/pmma_1.pdf
http://www.sea.siemens.com/step/pdfs/pmma_2.pdf
http://www.sea.siemens.com/step/pdfs/pmma_3.pdf
http://www.sea.siemens.com/step/pdfs/pmma_4.pdf
http://www.sea.siemens.com/step/pdfs/pmma_5.pdf
http://www.sea.siemens.com/step/pdfs/pmma_6.pdf
RESIDENTIAL SURGE PROTECTION
http://www.sea.siemens.com/step/pdfs/surge_1.pdf
http://www.sea.siemens.com/step/pdfs/surge_2.pdf
http://www.sea.siemens.com/step/pdfs/surge_3.pdf
BASICS OF SAFETY SWITCHES
http://www.sea.siemens.com/step/pdfs...20Switches.pdf
SWITCHBOARDS
http://www.sea.siemens.com/step/pdfs/swb_1.pdf
http://www.sea.siemens.com/step/pdfs/swb_2.pdf
http://www.sea.siemens.com/step/pdfs/swb_3.pdf