What is 8 Gauge THHN Wire?

8 gauge THHN wire is a type of electrical wire that is made of copper and has a thermoplastic insulation. It is a common type of wire used in residential and commercial electrical applications.

What is the Ampacity of 8 Gauge THHN Wire?

The ampacity of 8 gauge THHN wire is 55 amps at 90 degrees Celsius. This means that the wire can safely carry 55 amps of current without overheating.

8 Gauge THHN Amerage at different temperatures

Wire Gauge	Ampacity at 60°C	Ampacity at 75°C	Ampacity at 90°C
1 AWG	130 amps	150 amps	165 amps
2 AWG	115 amps	130 amps	145 amps
4 AWG	85 amps	95 amps	105 amps
6 AWG	55 amps	65 amps	75 amps
8 AWG	40 amps	50 amps	55 amps
10 AWG	30 amps	35 amps	40 amps
12 AWG	20 amps	25 amps	30 amps
14 AWG	15 amps	20 amps	25 amps

Common attributes of #8 AWG 19 Stranded THHN Building Wire

Source: awcwire.com

Attribute	Value
AWG Size	8
Number of conductors	1
Conductor material	Bare copper
Conductor stranding	19/21
Insulation material	Polyvinylchloride (PVC)
Jacket material	Nylon
Jacket thickness	0.005
Max. temp	90C
Number of strands	19
Nominal insulation thickness (in)	0.030
Nominal O.D. (in)	0.2130
Strand size	21
UL style	MTW/83/758
Voltage	600
Ampacity (90C)	55
Approx LBS/MFT	63.00

What are the Different Types of Electrical Wires?

There are many different types of electrical wires available, each with its own specific properties. Some of the most common types of electrical wires include:

• THHN wire: This is the most common type of electrical wire. It is made of copper and has a thermoplastic insulation.
• USE-2 wire: This type of wire is made of copper and has a rubber insulation. It is used in wet or humid environments.
• UF-B wire: This type of wire is made of aluminum and has a polyvinyl chloride (PVC) insulation. It is used in outdoor applications.

How to Choose the Right Wire for Your Needs?

These are some of the factors you need to consider when choosing wire size:

• The amount of current that the wire will need to carry
• The environment in which the wire will be used
• The cost of the wire

Here are some tips to follow:

• Ensure that the wire is rated for the voltage and amperage of the circuit.
• Wire should also be sized appropriately for the length of the run.
• It is important to use the correct type of insulation for the environment in which the wire will be used.
• Ensure that the wire is secure and installed in a safe location.

By following these tips, you can help ensure that your electrical system is safe and reliable.

Choosing the Right Wire for Your Needs

Choosing the correct wire for your electrical job is very important. Here are some factors to consider:

• The amount of current that the wire will need to carry.
• The environment in which the wire will be used.
• The cost of the wire.

How to Install Wire Safely

When installing wire, it is important to follow the National Electrical Code (NEC). The NEC is a set of safety standards that are designed to prevent electrical fires.

Some of the most important safety tips to follow when installing wire include:

• Always turn off the power to the circuit before you start working.
• Use the correct type of wire for the application.
• Install the wire in a safe and secure manner.
• Insulate all exposed wires.
• Use a junction box to connect wires.