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32 votes

What can cause a never-frozen indoor copper drain pipe to crack?

I would inspect the entire property for more such pipe and replace any that was found. That's almost certainly a manufacturing defect and likely to be pending failure wherever that batch of pipe was ...
Brock Adams's user avatar
  • 2,872
24 votes

How to temporarily catch leaks trickling down the outside of a pipe

Form a spout out of BluTack mounting putty (may be known by different names) and direct into a bucket.
HandyHowie's user avatar
  • 1,413
22 votes

How to temporarily catch leaks trickling down the outside of a pipe

I used a cotton fabric wrapped around a pipe draped into a bucket - works well for slow flows.
Solar Mike's user avatar
  • 27.8k
18 votes

What can cause a never-frozen indoor copper drain pipe to crack?

Copper does erode over time through mechanical wear and chemical corrosion. My guess is that it simply got thin enough that thermal stresses popped the weld (or the extrusion resulted in a thin side, ...
isherwood's user avatar
  • 141k
15 votes

How to temporarily catch leaks trickling down the outside of a pipe

Wicking with string or yarn (has to be a type that wets well to wick, not something hydrophobic) tied around the pipe and suspended to drip into a container has usually worked for me, as yet another ...
Ecnerwal's user avatar
  • 220k
14 votes

Repair tiny hole/scratch in copper pipe

I have not seen patches hold up on copper. What I find best is to cut it at the hole and sweat a coupler on. It must be dry when you do the soldering or it will leak.
Ed Beal's user avatar
  • 103k
11 votes

Is it possible to stop weeping between threaded copper joint on sprinkler system?

Those are both bronze (a copper alloy, not copper), and you'll have to disassemble enough to be able to tighten that. Or remove it, apply dope or tape, and tighten it. Should not be "everything&...
Ecnerwal's user avatar
  • 220k
10 votes

Breaker panel using stranded wire and crimp connectors

In theory, that is all true. In reality: Unless you are really good at soldering and prepare everything just right, you will end up with a high-resistance connection. That may be OK, or it may ...
manassehkatz-Moving 2 Codidact's user avatar
8 votes

resoldering copper waste pipe

The main problem, if any, assuming the solder band is complete and without flaws or gaps is if there's too much solder on the pipe and you cannot insert it into the fitting. The pipe is "tinned" or ...
Ecnerwal's user avatar
  • 220k
8 votes

What can cause a never-frozen indoor copper drain pipe to crack?

Back in the 1970's the company that I worked for ran into a slew of copper tubing sizes through 3" that was manufactured with a defect that weakened the whole length of the copper. Since the copper ...
d.george's user avatar
  • 12.4k
7 votes
Accepted

Outdoor copper water pipe

If this is outdoors and possibly underground, understand that there are two types of hard copper pipe (as opposed to soft tubing); type L and type M. Both have the same external diameter so they both ...
JRaef's user avatar
  • 15k
7 votes

How to temporarily catch leaks trickling down the outside of a pipe

I had the same thing once, in the cellar under the bathroom. While we waited for the plumber to come I got creative with some aluminium foil and duct tape. I secured the foil where the water was ...
RedSonja's user avatar
  • 537
6 votes

Add aluminum wiring in a house with copper

Virtually all 30A devices will be supplied with terminals compatible with aluminum. Large feeder wire was never the problem with aluminum wiring. 10 & 12 Ga Aluminum wire on copper/brass terminals ...
Ecnerwal's user avatar
  • 220k
6 votes
Accepted

Add aluminum wiring in a house with copper

Yes, that sounds like a fine idea. My only suggestion is to upsize another step to #6 alumimum. This will place you more definitely in the "heavy feeder" category (which as Ecnerwal ...
Harper - Reinstate Monica's user avatar
6 votes
Accepted

How to restore copper hip roof

Just wait a while longer and you'll get lovely verdigris green. The copper oxides actually help protect the roof. But depending on yout local atmosphereic conditions getting from brown/black to green ...
Ecnerwal's user avatar
  • 220k
6 votes

Breaker panel using stranded wire and crimp connectors

Every terminal in your breaker panel is already UL listed for stranded wire. Just groom the strands and give them a twist so they stay together. I use almost exclusively stranded, and I don't do ...
Harper - Reinstate Monica's user avatar
5 votes
Accepted

Should I have all the aluminum wiring removed from my home or just the damaged portion?

This doesn't sound like a technical question. You didn't maintain the AL wiring properly... it had a problem... should you replace it? The real question is do you trust yourself to maintain it ...
Harper - Reinstate Monica's user avatar
5 votes

Can Electrical Leak into Copper Pipes Cause Corroison?

I am much more concerned about whether you have a ground fault or not. If you have electricity actually "leaking" then you have a life safety problem that is far more important than long-...
manassehkatz-Moving 2 Codidact's user avatar
5 votes

If a 12 gauge, 50 foot long copper wire can support 20 amps why is 6 gauge cable so much thicker

Amp limitations are based on temperature rise. Temperature rise is a function of resistance (causing heating as amperage passes through) AND surface area (to radiate heat from.) 12 gauge wire has a ...
Ecnerwal's user avatar
  • 220k
5 votes

Is this house wired with copper and at least a 100A service?

If all the wires coming into the breakers are copper, you probably have copper wiring. There is some chance that there's aluminum wire elsewhere in the house. You'd have to inspect some switch and ...
isherwood's user avatar
  • 141k
5 votes

Breaker panel using stranded wire and crimp connectors

solder the copper within the crimped ferule would this not be the same as solid copper wire? Most of your questions fall under NEC 110.14(B) "Conductors shall be spliced or joined with splicing ...
Robert Chapin's user avatar
4 votes
Accepted

Why is there copper in the corner of my shower behind the tile and drywall?

Many years ago copper was the best way to seal corners and also used at the overlap on surrounds. Today we use membranes, Or thick pvc sheeting to protect the structure and keep the moisture in the ...
Ed Beal's user avatar
  • 103k
4 votes
Accepted

Is underground electrical cable underwater capable?

Absolutely not. Underground rating presumes physical protection by the surrounding earth. Undersea cable is designed to be laid on the sea floor. You may have other threats like water-moved rocks,...
Harper - Reinstate Monica's user avatar
4 votes

Would insulating copper pipes keep the water cooler?

This is the same theory behind insulating the hot water pipes in attics in cold climates (freezing concerns aside). It'll help but only for a little while. It might extend your hour-long window of ...
mmathis's user avatar
  • 8,882
4 votes

Repair tiny hole/scratch in copper pipe

I've had some success with this stuff - it's basically a fiber tape soaked in something like gorilla glue. But I'd only consider it a temporary repair. the right way is to cut the pipe and solder in ...
CoAstroGeek's user avatar
  • 2,348
4 votes
Accepted

Inserting a Tee In 1" Pipe for an Air Compressor?

You should consider something like this. These are just pieces I have laying around. All are common, easy to source and inexpensive. The fitting in your link will work as well, you would just follow ...
Joe Fala's user avatar
  • 6,374
4 votes
Accepted

Locating burst point in copper pipe

Sure, just turn the water back on and wait. Of course, that won't actually minimize the drywall repair work. But you'll eventually localize where the leak is. My actual approach would be to point ...
Ecnerwal's user avatar
  • 220k
4 votes
Accepted

New ceiling fan socket with copper wiring

This is not aluminum, but tinned copper instead There is no reason to use aluminum at such small wiring sizes; what you see instead on such finer-stranded fixture wires is tinned copper. This is ...
ThreePhaseEel's user avatar
4 votes

Soldering copper pigtails to aluminum wire

A lap-soldered joint like that is good enough for low-voltage low-current low-risk electronics. But it has never been approved for The Big Stuff, and in fact, is unprecedented. There was a standard ...
Harper - Reinstate Monica's user avatar
4 votes

Refrigerator - power cord exposed copper wire

Mice is how it happen. Mice have been chewing on the wire. You got mice. Can tape for now, but should replace cord as soon as possible. The large section seems like the wire(copper) has also been ...
crip659's user avatar
  • 25.7k

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