From shipsider: 6 3 UF wire- This is a type of electrical wire designated for outdoor and underground work. You must know some basic things about 6 3 UF wire; otherwise, you should not use it. You will learn about the applications of 6 3 UF wire outdoors, the significance of this wire to underground jobs, what makes it different from other types, and a few safety tips while using it in your home.
6 3 UF wire consist of three insulated wires. The "6" indicates the wire is heavy. And the lower the number is, the thicker the wire is. The "3" indicates there are three wires within. UF means "underground feeder, " meaning this wire is made for underground use.
The 6 3 UF wire is very useful for many outdoor projects. It is often used to supply power to garages, sheds or other buildings outside. You can also use it anytime outdoors, for lights, plugs, or whatever electrical you need. This wire is also weather-resistant, so it can withstand rain and other elements quite well.
6 3 UF wire Suitable for underground work Because of its suitability for burial If you put wires underground, your wire must be rated for moisture and dirt. 6 3 UF wire can go directly into the dirt, no need to dig a trench or pay for some expensive extra protection, so its easy and inexpensive to use for underground work.
There are different types of electrical wires available for outdoor and underground work. UF wire ( 6 3 UF ) is special because it is designed for outdoor and underground use. THHN or romex wires can go outside too if protected, but UWire or 6 3 UF wire helps to bury wherever you want without any extra protection.
Safety at Home With 6 3 UF Wire (this applies before you do anything: it is always good to turn off the power) Install the wire according to the instructions, ensuring that it is adequately supported and secured. If you bury the wire, for example, be sure to bury it at a sufficient depth so it won’t be damaged and follow any local regulations regarding buried wires.