WORLD WIDE ELECTRICAL POWER STANDARDS (A - C)		  
  A - C   D - K   L - Z Printable PDF Version  
Country
Frequency
System
1 Phase
3 Phase
  
Afghanistan
50 Hz
wye
220
380
  
Algeria
50 Hz
wye
127
220
  
50 Hz
wye
220
380
  
Amercian Samoa
60 Hz
delta
120
240
  
50 Hz
delta
240
480
  
Angola
50 Hz
wye
220
380
  
Antigua
60 Hz
wye
220
380
  
Argentina
50 Hz
wye
220
380
 
Austria
50 Hz
wye
220
380
 
Azores
50 Hz
wye
220
380
 
Bahamas
60 Hz
wye
120
208
 
60 Hz
delta
120
240
 
Bahrain
50 Hz
wye
230
400
 
Bangladesh
50 Hz
wye
220
380
 
Barbados
50 Hz
wye
115
200
 
50 Hz
delta
115
230
  
Belgium
50 Hz
wye
127
220
 
50 Hz
wye
220
380
 
Belize
60 Hz
delta
110
220
 
60 Hz
delta
220
440
 
Benin
50 Hz
wye
220
380
 
Bermuda
60 Hz
wye
120
208
 
60 Hz
delta
120
240
 
Bolivia
50 Hz
delta
110
220
 
50 Hz
delta
115
230
 
50 Hz
wye
220
380
 
50 Hz
wye
230
400
 
Botswana
50 Hz
wye
220
380
  
Brazil
60 Hz
delta
110
220
  
 
60 Hz
wye
115
220
  
 
60 Hz
delta
115
230
  
 
60 Hz
wye
125
216
  
 
60 Hz
wye
127
220
  
 
60 Hz
wye
220
380
  
 
50 Hz
delta
220
440
  
 
60 Hz
wye
220
380
  
 
50 Hz
delta
220
440
  
 
60 hz
wye
230
400
  
Bulgaria
50 Hz
wye
220
380
  
Burma
50 Hz
wye
230
400
  
Burundi
50 Hz
wye
220
380
  
Cambodia
50 Hz
wye
120
208
  
50 Hz
wye
220
380
  
Cameroon
50 Hz
wye
127
220
  
50 Hz
wye
220
380
  
50 Hz
wye
230
400
  
Canada
60 Hz
delta
120
240
  
60 Hz
wye
575
  
Canary Islands
50 Hz
wye
127
220
  
50 Hz
wye
230
400
  
Cape Verde
50 Hz
wye
220
380
  
Cayman Islands
60 Hz
delta
120
240
  
Central African Republic
50 Hz
wye
220
380
  
Chad
50 Hz
wye
220
380
  
Channel Islands
50 Hz
wye
230
400
  
50 Hz
wye
240
415
  
Chile
50 Hz
wye
220
380
  
China
50 Hz
wye
220
380
  
Colombia
60 hz
delta
110
220
  
 
60 Hz
wye
120
208
  
 
60 Hz
wye
220
380
  
Congo
50 Hz
wye
220
380
  
Costa Rica
50 Hz
delta
120
240
  
Cyprus
50 Hz
wye
240
415
  
Czech Republic
50 Hz
wye
220
380