Jain Richter posted an update 4 months ago
There are several types of electrical wire. Each different of electrical wire is perfect for a different job. The wires have even different varieties of insulation and protection; itrrrs this that makes each great for an alternative application. There exists THHN and TFFN wires which can be virtually identical. There are the NM-B and Romex wires and even the MC Conduit cable. Many of these wires are fantastic for electrical work indoors and some ones can also be used outside, plus conduit.
TFFN and THHN
Those two wire names are abbreviations. TFFN means thermoplastic insulation, flexible, fixture, and nylon coating. Even though the THHN is short for thermoplastic insulation, heat resistant, high heat resistant, and nylon coating. Then throw in that a few of the THHN wires come even just in a water, oil and coal resistant form, so you get THWN wire. These are all single conductor copper wires which you can use both indoors, outdoors plus conduit.
NM-B and Romex
Romex will be the Southwire label of an NM-B cable. Now the NM is short for non-metallic. Because of this rather than the wire being incased inside a metal jacket. The NM-B cable carries a PVC jacket throughout the multiple conductors it holds. This particular form of electrical wire could only be utilized indoors. The wire doesn’t need enough protection on it to use outside. The most prevalent use because of this sort of wire is insulated homes and buildings, running power from electrical boxes to outlets, lights and appliances.
MC Conduit Cable
This type of electrical cable is very completely different from the NM-B cable. This is because the MC Conduit cable is metal clad. This sort of electrical cable posseses an aluminum interlocked armor jacket instead of the typical PVC. The aluminum jacket across the wires conductors is supposed to behave as a conduit so there defintely won’t be any excuses for one if it is being installed. This design is additionally meant to accelerate the installation process, in turn saving electricians and contractors both time and cash.
These electrical wires may be used indoors as building wire. Most can even be used outdoors in conduit as well. Now despite the fact that many of these wires are somewhat similar, these are still different, which means the variation in applications. Make sure you look at your entire alternatives to find the proper wire for your next job or project!
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