phone: (847) 588-0088, fax (847) 588-0080, email:

Home » Resources » Uninsulated Wire

Is Insulated Wiring Better than Bare Copper Wires?

When doing electrical work, there’s a lot of choices that can make or break how long lasting wiring jobs are and how efficient they are. One big choice that electrical workers have to make is whether to use insulated wires or uninsulated copper wire. More often than not, insulated copper wire is used-why is that? What makes it such a better choice compared to bare copper wires?

Durability and Reliability

Insulated wire is generally going to offer more durability than uninsulated wire. It is made to be more resistant to the elements-that is part of what the insulation does on wires. That means that in electrical work, if bare copper wires are used, there is a greater chance of them becoming degraded due to being exposed to the elements. Further, there is nothing to tune out interference on uninsulated copper wire, which may have an adverse effect on how well the wiring works. In other words, insultation promotes an optimal level of conductivity. Insulated wire is less susceptible to corrosion, as well, and thus, better equipped to resist sorting out. Uninsulated wire is more vulnerable to degradation, which can cause electrical shorts.

Flexibility of Usage

Since insulated wire is more durable than uninsulated copper wire, there are certain uses for it that uninsulated wire can’t be substituted. For example, in marine applications, like boats, uninsulated wire would not be the ideal choice due to its penchant for degradation and corrosion. Likewise, when wiring for high voltage jobs, there is greater risk of damage if a short occurs, so the people working will likely make choices to minimize that risk. Finally, because insulated wires are used to make cables (as these cables are then insulated), there are far more opportunities to use insulated wires instead of bare copper wires-appliances in homes and businesses, coaxial cables for internet and cable television, and many more things use cables instead of bare wire for good reason.

If you need insulated or uninsulated copper wire, contact Arcor Electronics today.