How do you remove insulation in the middle of the wire without cutting the wire? It should look like this:

 

Just use an exacto or other sharp utility knife to remove the insulation as needed.

I don't usually do T splices.

I cut the wire strip both ends and add the 3rd wire then solder.

I slip heat shrink over the wires (before twisting together) then slide it in place after soldering and shrink in place. Works much better the taping it up.

You can also use a Trailer connector to achieve what you want but it's not the best way to go.

 

Soldered or no? There's several ways of doing it. The not-so-pretty way is just simply cut the wire in two, add the third wire, and then wire nut it or use a crimp like this. Not so nice, and not so reliable.

The best would be soldering. For our projects at work (electrical/software engineer and I deal with a lot of PLC's), when needed, we just use a butane to melt away a small section of the insulation. Attach the third leg (additional wire), solder it, and then either heatshrink or electrical tape it. I'm stupid meticulous, so i end up having the heatshrinking it all together.

 

They have plastic wire splice connectors that are actually easier to do..

Here's what they look like:

:http://superbrightbulbs.com/images/a...ick_splice.jpg

You can get them at any car parts, radio shack, etc..

Good Luck......

 

These work for me.

 

Correct so long as you can get the shrink on without cutting the main wire which you can't always do if you are splicing into a harness.

 

These work fine for some things.

But the only point of connection is where the u shaped contactor cuts the insulation on both wires when you squeeze it into place.

If you wiring trailer lights or something OK

For Audio or Gauges No Way. Same for any connection drawing higher amperage

 

I've used em and they are really convenient but the old tried and true solder and shrink tubing is a permanent fix.

 

I'm just trying to remove the insulation in the middle of the wire and can't figure out how to do it without cutting the wire. I replaced the multifunction switch and whoever installed the alarm had the insulation removed in the middle of the wire and just wrapped the alarm wire around it 5 times with electrically tape, forming a t-splice. I never had any problems with the alarm so I wanted to reconnect it so the lights would go on with the alarm, right now there is just sound and no lights. It's nice at night too cuz the interior lights go on as well.

 

Take a lighter and burn a 1/2" area of the insulation and then scape it off with your finger if your afraid of an exacto knife-I'd just cut it myself. It also doesen't have to be a "T", you could cut the wire there, remove the insulation on both ends and then add the 3rd wire in a "Y". Your really making this WAY more complicated than it needs to be.

 

ttt

 

In my trade, I use these all the time. Depending on the gauge wire, you can also use a telephone splice. Its a round piece of plastic, smaller than a dime. It has an inner "pushbutton". You cut the wire in half, and push/slide all three into the plastic holder. It has anti corrosive compound in it. Then you simply push the button part of the holder down/in with you thumb. Its secure, safe and will not fail. No need for solder, or wire nuts. It is sold under the 3M brand name at Home Depot and any electrical supply house.
Electrical/Telcom Connector Product Listing
View 3M Scotchlok connector products
View all 3M electrical/telcom connector products

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3M™ Scotchlok™ Communication Connectors
3M™ Scotchlok™ Butt Connectors

Scotchlok butt connectors employ a specially designed, wire insulation displacement contact to make a reliable electrical connection to each wire. A "live-spring" joint is made by driving the wire down into the "U" contact connector. This process displaces the wire insulation and grasps all conductors with a firm pressure, all in one motion. No stripping of wire insulation is required. Some connectors include a factory installed sealant to help protect against corrosion and provide moisture resistance. They are also available in dry versions for central office and vault applications.


View Scotchlok butt connector listing

 

there is a wire stripper that can strip the insulation and not cut the wire. This can be done in the middle of a wire. Then attach the third wire, sloder and insulate. see link for tool
http://www.tdiinternational.com/usr/.../universal.htm

 

Any wire stripper can be used to cut just the insulation but not the wire. Once done just pull back on the insulation on each side of the cut and it will slide back enough to make your slice.

 

Link does not work

 

Its really easy, I use my wire cutters, put the cuters/strippers on the wire were you want to splice into, put a little pressure on the cutter as to just cut the insulation and not the wire, then slide the cutters away from you and pull the wire towards you practice on a spare wire first. the cutters i use are http://www.radioshack.com/product/in...ductId=3932542 . Good luck

 

If you want the splice to be able to easily dis-connect/un-plug, there are these.

http://www.radioshack.com/product/in...ductId=3004023

 

Scotch locks are crap. They are a temporary solution that will come undone or corrode eventually. For a professional permanent fix strip as outlined wrap four or five turns. solder the connection. heat shrink or tape with scotch 33 tape done.