Compare the plug shapes, voltage and frequency in New Zealand and Grenada, and find out which adapter you need before you travel.
Adapter required
Yes — coming from New Zealand, you will need a travel adapter for Grenada. New Zealand uses Type I plugs, and Grenada uses Type G, so the pin shapes will not fit any wall socket.
New Zealand (home)
Grenada (destination)
Electrical specifications in Grenada
Voltage
Frequency
More about plugs in Grenada
In Grenada, the standard power plug is Type G. The country runs on 230 volts at 50 Hz. That means every wall socket in Grenada is the same shape — Type G, and your plug needs to physically match the socket to fit.
Full Grenada plug guide