Is it necessary to lubricate aluminun hardwares in a electriconnection

[Bronzeado]

Hi folks,

I wonder if somebody could tell me if, when using a aluminum hardware (nut and bolt) in a HV electrical connection, it is necessary to lubricate the bolt or the nut or both?

Regards,

Herivelto Bronzeado

 

[cloa]

I suggest you repost in Mechanical Engineering other topics and red flag this post.