How to run electrical wire through exterior wall?
Before getting into action, make sure you're permitted to do it by the county. And if you're not the owner of the house, your landlord's approval will be needed as well.
Which One Will You Go For?
After getting the permission, it's time to begin the work. However, the wiring on the exterior wall can be done in two ways.
You can either run the cable freely or use a conduit for it. There are several types of conduits available for your convenience. You can choose one that will be the most suitable for you. But if you're thinking of straight running the cable, remember to take necessary steps for its protection since the wire will remain exposed.
Things That Will Be Necessary For the Work
If you're done with the selection of the way, you should think about the tools now.
For wiring, some tools are necessary and all of these tools should be collected before starting the work.
Select the Cable
There are two types of cables for domestic wiring. These two types of wires are CL2/CL2p and CL3/CL3P rated cables.
As we mentioned before, you can install cable in two ways. Now if you're going for the exposing route, you should use type SE (Service entrance) cable. Because this type is capable of withstanding all sorts of external effects.
The other option depends more on conduit type rather than the cable.
Turn off Everything
Now when it's time for action, the first thing you need to do is to shut off the power.
Shutting down the whole power can be problematic sometimes. In this case, make sure to turn off the power of the circuit that you'll be working on. This circuit must not be turned on while the work is still on progress since the consequence of not turning it off can be extremely hazardous.
For individual circuit shut down, turn off the targeted circuit breaker.
If you're working near a junction box, you'll have to make sure that the whole thing is turned off. Because there are more than one circuit breaker in the junction box. A little bit of negligence or carelessness can cost a lot. So, shutting one breaker won't be enough while you're dealing with the box.
The voltage tester you're carrying with you, bring it out and hold it near the circuit breaker. Because sometimes the circuit can still remain active even after turning it off. So, use the tester to detect the voltage's presence.
You're safe and can carry on, when the tester is not being able to detect anything anymore.
Use the Stud Finder
After turning off the power (or circuit to be precise), grab the stud finder. It's obvious that there are gonna be some obstacles on the way, so it's necessary to mark them for wiring convenience.
Use the stud finder to locate those obstacles (studs). At the time of running wire, make sure to lay the cable straightly and run it over all the obstacles. Otherwise, it'll be difficult to fish and secure the cable.
Connect the Cable Using Connectors
Whether you're working with a single circuit or a whole junction box, a connector is needed to be installed anyway. Actually not one though, two connectors have to be established for complete cable work.
These two connectors should be installed in two different places. One in the junction box or where the circuit is situated and the other one in the device box. Now take the cable and cut it. After cutting, connect the two ends of the cable to those two boxes. Tighten the connection using clamps or pin.
Use Cable Straps
Now, take the cable straps. Use these straps to fasten the cable to the wall for in-wall speaker. When you're using these straps, you have to put them maintaining a certain distance. No, it's not a customized thing, more of a code. Two cable straps should have a maximum distance of four and a half feet, and the distance should be of 12 inches from each box/each end.
Rip off the Cable Ends
To connect the wire properly, you have to make a little change first. Take the utility knife and cut off a little piece of the rubber jacket on the both ends.
Finalize the Connection
After ripping of both ends, take those rigged parts and place them side by side. Use a wire nut for connection and connect them. This way the installation will be complete and now you can finally turn on the circuit.
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