WTF should have earth and no neutral
not neutral and no earth.
H H
G
buy a dmm from home depot
test HH you should get about 220-240
teat 1 H to 1 G
you should get 110-120
test the other 1H to 1 G you should get 110-120
if those numbers do not show on you meter call an electrician
here is a digital multimeter DMM
https://www.homedepot.com/p/Digital-Multimeter-MT-1210/206304336so that is your receptecle in the wall
L
\ /
L is a ground
\ / these are 2 hot lines each is 110/120
when you meter \ / 220-240
when you meter L
\ 110-120
when you meter L
/ 110-120
Do you understand? 220 -240 is way more powerful then 110 -120 be very careful