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Have a great invention to help with gardening? Are you the self-reliant type that prefers Building It Yourself vs. buying it? Share and discuss your ideas and projects with other members.

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Old October 21, 2017   #226
Worth1
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Here is an example of a supervised circuit with an end of line resistor.
If the resistor isn't seen due to a line break the panel will go into trouble.
In the pictuer you will see this wiring three different ways.
One is normal at the top.
The other two are good and bad but the resistor is all the way back at the panel.
The reason for this is we may have to split up the circuit later into two circuits.
The bad one will work but as you can see it would be a nightmare splitting or trouble shooting any bad connection or break in the wiring.
The single line represents a pair of wires/two conductors, not one wire/conductor.

Worth

Device wire. R.jpg
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Old February 5, 2018   #227
Worth1
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Been awhile since I have been here but I thought I would share this with you all.

We have been installing new temperature probes in coolers and freezers at school cafeterias.
Part of the job is to remove the old stuff.
Our stuff runs on 12 volt DC.
Don't assume the old stuff does.
There was a wire previously removed from the old stuff hanging in the air right by the door.
I have no idea how long it had been like that.
Wasn't us.
It had an orange wire nut on it.
Before i started fooling with this looks like dead wire I checked it.
The thing was the hot side of 120VAC.
It was a zip cord not rated for 120 volts.
It was going to an electrical box inside the cooler with water dripping out of it.
I texted my boss and told him I wasn't going to mess with it.

Always and I mean always check wires.

Picture of it next post.

Worth
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Old February 5, 2018   #228
Worth1
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Here is the booby trap.
Worth
IMG_20180205_46327.jpg
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Old February 5, 2018   #229
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Our new demo permits,repairs,that are indexed( work,orders,computer online ,Sears,Home depot roofers )all have to adhere to all local,fed,homeland,ice. Rules and rags.This includes,asbestos,mold,old phone cables that when burning give off cyanide gas that has dropped firefighters through inhalation,then burn to death with a fire hose in their hand.I dreaded the EPA desk,everything had to be cleared,and inspected by a FINAL DEMOLITION INSPECTION.This would include ac gases,diesel tanks and that little orange wire that might be still energized and waited all these years to kill ya.Itis a insurance issue nowaday it seems like.
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