The short answer is yes.
As a matter of fact, safety standards and the privacy of the casas particulares in Cuba are the same as those of a hostel or B&B in any other country. 

The star rating system applied in Cuba is slightly more generous than in many other destinations, typically showing one full star above the quality that would be expected in the international markets.
This is the reason why the ratings in all of our accommodations are based upon local standards. 

Although the power supply in Cuba is mainly 110 volts, most of our accommodations have dual voltage. In hotels, the sockets in the room will mostly be 220 volts, while in the casas particulares the majority will be 110 volts.
On the other hand, around 90% of our accommodation will present standard U.S.-style two or three prong outlets.