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Why all the complicated formulea for working out voltage drop?
Why not just connect the load and measure the voltage with a meter?
Why not just connect the load and measure the voltage with a meter?
Discuss Voltage Drop in the Australia area at ElectriciansForums.net
Why all the complicated formulea for working out voltage drop?
Why not just connect the load and measure the voltage with a meter?
So what happens when you have installed the new circuit etc etc infront of the customer and then when you connect the load find the voltage drop is to much so infornt of the customer you have to remove the incorrect cable and put in the next size up just to find out thats wrong as well. Need I say more.
Chris
Sorry for raking it up again but it's interesting. Table 7.1(1) latest OSG gives a maximum length of cable as 59m for 1.0mm with ref method 101 on a type B 6a mcb. Table F6 OSG gives ccc of 1.0mm with ref meth 101 of 10.5a and vd of 44mV/A/m. But the cable length permitted doesn't work out if you calculate the vd with an Ib of 6a and cable length of 59m. 44 x 6 x 59 / 1000 = 15.58v which is way in excess of 6.9v (3%). Or have I picked this up all wrong?
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