DIY experience: Waterproof electric wire and replacing valve


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Two weeks ago, In my back yard I heard 'ZiZiZi..' sound. It was like electric wire touched water and got short circuit. I followed the sound and found there was water leak in the pipe and valve. The electric wire for the sprinkler valves got messed up and under water.

messed-wire.JPG

1. Replace the leaking valve
I went to the local store called "JC Plumbing 'N' Things" and bought a new value to replace the old 3/4 inch valve as chart shows

replacedvalve.JPG


old valve; old-valve.JPG

2. Obviously the electric wire got wet and tend to be short circuit when there were water leak or when it was raining. I bought wire connector from amazon and reconnected them using the wire connectors so that it could be waterproof as I also used tape to enhance it. The ‘ZiZiZi..” sound disappeared even though the wires touched water.
https://www.amazon.com/Connectors-Connection-Extension-connector-Electrical/dp/B075L7R79R/ref=sr_1_5?m=A32VEWD8W4GHKQ&s=merchant-items&ie=UTF8&qid=1544919044&sr=1-5&th=1

newconnect.JPG

I realized that As long as I can spend time to try it by myself, sometime, I can also get it done well for the small problems in the plumbing system.
 
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A month ago, my water heater was replaced because of leaking.The water heater is about "9 years old". it cost me 2700$. But I have to ask professional to do it. From now, I try to learn to solve small problems, so-called DIY...
 
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Zhoufang, You need to be very careful here. If your pictures are accurate then your potential for problems can be enormous. As the three pictures go I'm a tad worried.

What is the purpose of the extension cord?
All wire has a TYPE (Insulation) code and depending on that code you know how a wire can be used. For example, THW-2 is a type of cable that can be used in either wet or dry locations.

What type wire did you install?

Also, using tap as a waterproofing agent is forbidden. You can use the tape inside of a waterproof or raintight box to help, but it cannot be the first line of protection.
 

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