It depends on the jurisdiction. NM-B cable is not ok for exterior wiring, but a receptacle inset in a wall is 100% ok. If the box is NEMA 3r rated it may be allowed even as a surface mount. If it is not, cut a hole the size of the box and inset it in the wall then it would be legal again.

Can you run wire through an exterior wall?

There are two ways to run electrical wiring on the exterior walls of a house or other structure. One method is to run individual wires in a conduit system such as intermediate conduit, rigid conduit or schedule 40 or 80 vinyl conduit. The second method is to run cable.

How do you pass cable through an outside wall?





Use cable clamps to hold wire in place. Always insert feed-through bushings into holes through siding, and seal them with silicone caulk. TV and Internet signals are the only things coaxial cables should be bringing into your house, but improperly installed cables can let in water, which can lead to rot and mold.

Does exterior wiring need to be in conduit?

They need to be in conduit for 2 reasons. First, exposed wiring needs to be protected from damage and stapling bare wire to the siding would not qualify. Burying it at least 24″ would qualify, but any portion above that would still need to have some sort of damage protection (conduit).

Can you use indoor Romex outside in conduit?

Yes, they can be used outdoors, it is better to be safe than sorry. We recommend using a conduit when running the wire underground. Not only is it code, but also a good practice to ensure long life of the wire.

How do you run electrical from inside to outside?

The quickest way to extend power outdoors is to install a receptacle back-to-back with one inside the house. You also can drill through the wall from a basement or crawlspace and attach a receptacle on the side of a house using an extension ring.

How do you run cable through walls?





Quote from the video:
Quote from Youtube video: Use electrical tape to secure one end of the cable to the hook on the fish tape at the wall opening steadily retract the fish tape pulling the cable into the wall opening.

What type of electrical cable can be used outside?

(Type UF cable is the most commonly used nonmetallic cable for residential outdoor wiring runs.) UF cable can be direct buried (without conduit) with a minimum of 24 inches of cover.

Can I run conduit indoors?

Conduits can also be highly beneficial when used indoors for exposed wires in areas such as attics and basements.

Can you pull Romex through conduit?

No, you can not run your Romex wiring in conduits.

Can I run Romex outside the wall?



Romex is a brand name of non-metal sheathing wire. To give you an overview of what the National Electrical Code (NEC) regulations state, Romex wire shouldn’t be left exposed anywhere in the house, be it the basement, attic, or the home itself.

What type of wire can I run in conduit?

The most common type of cable used in home wiring is non-metallic (NM), or Romex, cable. While NM cable can be run inside a conduit, this is seldom done. The types of wire most commonly installed inside of conduit are THHN and THWN. THHN/THWN wires are individual, insulated, and color-coded wires.

Can I run Romex in PVC conduit underground?

Romex cannot be used in the situation you describe as buried conduit is considered a wet location. You must use conductors such as THWN. Also, minimum burial depth for conduit (PVC I assume) is 18″, unless you run rigid or IMC, in which case you can go a minimum of 6″.

What is the difference between indoor and outdoor Romex?



While the electrical wire meant for outdoor use can be used indoors, it would be dangerous to use indoor wires outside. Indoor wire is designed for use within the house and is not prepared to handle the external factors found outdoor such as temperature, moisture and even chemicals in some cases.

How do I run conduit outside my house?

Here is a step-by-step guide for installing a conduit through your exterior wall.

  1. Step 1: Drill an opening in the wall. …
  2. Step 2: Bend and cut the conduit. …
  3. Step 3: Insert the conduit into the hole. …
  4. Step 4: Install conduit supports. …
  5. Step 5: Pulling the wire through the conduit. …
  6. Step 6: Seal gaping holes in walls with caulk.

Can you bury wire without conduit?

Direct Burial rated wire is approved to be run in the earth in accordance with the National Electric Code (NEC), usually without the use of conduit to surround it. The combination of the insulation material and its thickness keeps out moisture and other harsh factors to protect the wires inside.

Can I run my own cable line?

If you’ve got a free afternoon, you can run the cable yourself and save some money. Depending on how many different rooms you are wiring, you may only have to go through a few inches of wall. You can purchase everything you need to wire your own cable from your local hardware and electrical supply store.

How deep are cable TV lines buried?



-deep, run direct-bury UF-B wire cable. There’s one restriction: It needs a conduit where the cable is exposed on the outside of the house and to 18 inches below the ground. Burying the cable 24 inches requires more digging, so this method only makes sense if you have easy-to-dig soil or are renting a trench digger.