Connectors

[no25]

Hi

I have noticed that some connectors have rubbers o-rings and some don't, can someone explain this to me.

Thanks Ivan

 

[charper1]

the o-ring type is just another layer of weather / moisture protection.

 

[ShadowEKU]

yup keeps water from getting to the more voltage intensive parts.

 

[no25]

are they need ?