List of countries in Latin America and Caribbean with voltage
Argentina 220v/50hz UNLP
Belize 110v/220v60Hz none
Bolivia 220v/50hz 2-3 schools
Brazil 127v/220v60hz ULBRA,Contestado,CBO
Chile 220v/50Hz Valparaiso
Colombia 110v/60Hz 7 schools
Costa Rica 120v/60hz Univ Latina
Cuba 110v/220v60Hz a few (not sure)
Dominican Rep. 110v/60Hz Univ Nacional (new prog)
Ecuador 120v/60Hz Univ GYE, and 5 others
El Salvador 115v/60hz UES (not open)
Guatemala 115-125v/60hz no school
Guyana 110v50hz/220v 60hz new program
Haiti 110v/60Hz none
Honduras 110v/220v60Hz none
Jamaica 110v/50hz soon (with CCB)
Nicaragua 120v/60hz UNICIT
Panama 120v/60Hz new school/no name
Paraguay 220v/50Hz no schools
Peru 220v/60Hz 5 schools
Puerto Rico 120v/60Hz IAUPR
Trinidad 115v/60Hz U.W.I.
Uruguay 220v no schools
Venezuela 110v no schools (optician yes)