<VV> Meters vs Test Lights

[Chris & Bill Strickland]

FrankCB at aol.com wrote:

>That's why you have to measure the voltage DROP in  the wire going to the 
>device with the device turned ON.  If the wire or  connection cannot supply 
>enough amperage, the voltage will re reduced to the  point where it will be too 
>low to allow the device to function properly.   So measure voltage at the 
>device with it turned on.  If the voltage is  appreciably below 12 volts, then 
>you have a problem in the line going to the  device OR possibly, in the ground 
>connection FROM the device.    
>

*Intelligent* use of a test light can provide similar information, *if* 
one knows what they are looking for.  *If* one doesn't know what they 
are looking for, even a meter won't help, per the previous Three Tool Axiom.

As Tim said, " ... try [full length thread] common sense on fer a while."

Bill Strickland