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THHN is a heat resistant thermoplastic insulated conductor, usually a single conductor. Romex is a brand name for a nonmetallic sheathed cable, it has multiple conductors inside, the insulated ones are insulated with THHN insulation.

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14y ago
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9y ago

THHN is a heat resistant thermoplastic insulated conductor, usually a single conductor. Romex is a brand name for a nonmetallic sheathed cable.

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14y ago

THHN Is used in conduit, Romex is not.

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Q: What is the difference between thhn and romex?
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Related questions

What is wire standard 60hz 220v ac cable?

many wires are. such as 14-2 Romex. 12-2 Romex. Any THHN wire of any size. This list is very long. If you have a speific application then you need to check the NEC 2005 Table 310.13 Conductor Applications and Insulations.


What is the difference between romex 14 2 14 3?

In romex, 14-2 means two conductors, 14AWG each, and 14-3 means three conductors, 14AWG each. Note: Normally, romex has a ground, so the designation is more likely to be 14-2/G or 14-3/G.


What types of telephone wire can be used underground?

UF cable(underground Feeder) Looks like romex, gray jacket. usually approved for direct burial. Check local electrical codes for burial depths, or if conduit is required. if conduit is required use THHN or THHN-2


Can you run thhn conductors exposed?

n you run thhn wire in a cable tray


Is romex pure copper?

Copper or aluminium.


What size romex for 5000 watt dryer?

Assuming 220 volts service 5000/220 = 22.72 Amps. That equates to 10 AWG Romex.


Is THHN oil resistant?

No, THHN is not oil resistant. The Underwriters Laboratories' (UL) "Marking Guide Wire and Cable (January 2010)" shows that THHN is not sunlight, oil, or gasoline resistant; it can not be used in cable trays, direct burial, or for submersible pumps. THHN is a heat-resistant thermoplastic rated for 90 degrees C (140 degrees F), can be used in dry and damp locations. See related links below for the UL Marking Guide.


What kind of wires do they use in hospitals?

THHN is used for AC power.


Can you run 8 gauge thhn wire for 30a circuit?

yes


What gauge romex for outlets?

Romex is a manufacturer's wire cable trade name, the 10 refers to the size of the wire inside the cable set. A #10 AWG copper conductor with an insulation factor of 90 degrees C is rated for 30 amps.


Can rodent damaged romex cause gfci to trip?

Yes


Is romex allowed in a room addition burbank ca?

yes