Is There A Romex 1 AWG Electrical Cable?

No, Southwire Company only producers their Romex® brand as major as 2 AWG with three conductors in addition to a bare copper ground wire. One of the most predominant reason getting that Romex® cable is only approved for indoor use and as the electrical cables get larger they often run outdoors more generally than indoors.

Indoor cables for instance Romex® are engineered to only be employed indoors for cost saving reasons. If Southwire put a lot more effort into manufacturing a tougher jacket which will be applied outdoors and also must be authorized for such use than they would be much more high priced. Therefore, Southwire manufacturers MC cable, or Metal Clad for outside and conduit use along with UFB cable, or Underground Feeder, for direct burial applications.

For those who need to have a 1 AWG outdoor or conduit electrical cable then you definitely must use MC cable. It has THHN wires as conductors as well as a green THHN wire as a ground wire. MC cable has been tested and approved for use outdoors and in conduit in most electrical applications. It's probably the most widespread and cheapest upgrade from a Romex® indoor cable to an outdoor cable.

If your application requirements an underground cable than you'll be able to use UFB cable as major as 6 AWG or perhaps a tray cable for anything larger. In this unique case a 1 AWG electrical cable that wants to be used underground will have to be a tray cable which also comes with an further bare copper ground wire. The typical ground wire size in a 1 AWG cable is 6 AWG for the reason that ground wires don't want the same amount of power because the key conductors in the cable.

Should you search around adequate you are able to uncover a supplier that will reduce 1 AWG underground cables towards the precise length of one's application irrespective of the distance. In truth, some suppliers bank on prospects that want precise cuts mainly because some suppliers, distributors and suppliers will have either minimum orders or regular spools sizes only. That implies you might possess a run of 130 feet but you are stuck selecting between a 100 foot and 500 foot spool size. That doesn't make too much sense however the suppliers are trying to shield themselves against ending up with short lengths that they may need to scrap down the road.

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