Load vs. line wire

01-15-2008, 06:10 PM	#1
gvernea Newbie   Join Date: Jan 2008 Posts: 2	Load vs. line wire A delayed timer switch I am installing requires that a different wire be fastened to the "load wire" than to the "line." How would I determine which is which (both come into box at same side). Can I use a multitester?

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01-15-2008, 06:25 PM	#2
Andy in ATL Electrician philosopher   Join Date: Aug 2007 Location: Lilburn, GA Posts: 838	Load vs. line wire Yes. Check continuity.

01-15-2008, 08:41 PM	#3
mgv79 Newbie   Join Date: Jan 2008 Posts: 10	Load vs. line wire the terminal labeled line is the power coming into the timer and the line goes to the unit being turned on by the timer

01-15-2008, 09:42 PM	#4
gvernea Newbie   Join Date: Jan 2008 Posts: 2	Load vs. line wire Continuity between which wires coming out of the box? There is no terminal or label on the wires coming from the wall box, I know which wire coming from the switch is which. The black load wire from the wall box and black line wire are the ones I can't tell apart.

01-15-2008, 10:38 PM	#5
chris75 Electrician   Join Date: Aug 2007 Location: Connecticut, Litchfield Posts: 2,015	Load vs. line wire The LINE wire would be the one with voltage on it, the load, well would be the device the line is suppling to...

01-16-2008, 01:50 AM	#6
220/221 Member   Join Date: Oct 2007 Posts: 2,294	Load vs. line wire Quote: Yes. Check continuity I assume that this guy means you were joking? Line side is the one with voltage. There could be continuity on either side. Line = in, load = out.