Help with Multimeter Reading

[Apollo7235]

The OP said 1.3volts

Oh no, sorry, I meant that as in per piece of equipment.

 

[capted]

Oh no, sorry, I meant that as in per piece of equipment.

Got it. Try to get a reading with everything on.

 

[Apollo7235]

Got it. Try to get a reading with everything on.

Would that really matter? I feel like I could just add together the differences of each of the readings and have the same answer, or am I mistaken?

 

[capted]

Would that really matter? I feel like I could just add together the differences of each of the readings and have the same answer, or am I mistaken?

Doesn't really matter but just want to know a total reading. Also, do you have a ground probe?