What Are Power Strips Made Of? A Guide to Power Strip Materials

September 11, 2026
Posted by TsimHayley

A power strip looks simple from the outside: a plastic housing, a few outlets, and a cable. But what is a power strip actually made of?

The materials used inside and outside a power strip affect how it handles heat, protects electrical components, and holds up to everyday use. For something that may stay plugged in for hours every day, those details matter more than they might seem.

Here is what to know about power strip materials, from the outer housing to the conductive components inside.

What Are Power Strips Made Of?

Most power strips are built from several basic materials and components:

Plastic housing to protect the internal electrical parts
Flame-retardant materials to improve resistance to ignition and flame spread
Copper or copper-based conductive components to carry electrical current
Insulating materials to separate conductive parts
PVC or similar materials for the outer cable insulation
Metal contacts and terminals inside the outlets and switches

The exact materials vary by manufacturer and model, but the basic principle is the same: the housing protects the electrical system, while conductive and insulating materials work together to control the flow of electricity.

Power Strip Housing: PC vs. ABS

The outer housing is usually made from an engineered plastic such as ABS or polycarbonate (PC).

ABS is widely used because it is relatively affordable, easy to mold, and durable enough for many consumer products. Polycarbonate is known for its higher impact resistance and ability to maintain its shape at elevated temperatures.

However, the type of plastic alone does not tell you whether a power strip is well made.

When comparing power strip materials, look for information about the material grade and flame-resistance rating rather than simply choosing one plastic over another.

The housing is more than an aesthetic choice. It forms the outer barrier around the electrical components and needs to withstand the conditions the power strip is designed for.

What Does V-0 Mean for Power Strip Materials?

One specification you may see when comparing power strips is UL 94 V-0.

V-0 is a flammability classification under the UL 94 standard. It indicates that a tested plastic material has a defined level of resistance to flame propagation under the standard's test conditions.

It is important not to confuse a V-0 rating with a material being completely fireproof. The rating describes how the tested material behaves under specific conditions; it does not mean the entire power strip cannot overheat or catch fire.

This is why specific material and safety information is more useful than vague descriptions such as "heat resistant" or "high temperature plastic."

If you are comparing power strips, check whether the manufacturer provides a clear flame-resistance specification for the housing.

What Is Inside a Power Strip?

The plastic housing is only one part of a power strip. Inside are the conductive components that carry electricity between the plug, outlets, switches, and other electrical components.

Copper and copper-based materials are commonly used because of their electrical conductivity.

But conductor material is only part of the story. The quality of the contacts, connections, insulation, assembly, and overall electrical design also affects how a power strip performs under load.

This is why it is difficult to judge a power strip simply by looking at the outside.

A well-designed power strip needs its conductive and insulating components to work together reliably, rather than relying on one material specification alone.

What Materials Are Used in Power Strip Cables?

The cable is another important part of a power strip's construction.

Inside the cable are conductive wires that carry electricity. Around them is insulation designed to keep the electrical path contained and provide protection during everyday handling.

The outer cable material also needs to withstand normal bending, movement, and contact with the surrounding environment.

Cable length and flexibility are practical considerations too. A cable that is too short may make a desk setup difficult to arrange, while a cable that is repeatedly bent or pulled deserves more attention to overall construction quality.

When choosing a power strip, therefore, the cable should be considered alongside the housing and electrical specifications.

Why Power Strip Construction Matters

Materials do not work independently.

A power strip may use a flame-retardant housing, conductive metal components, and insulated wiring, but the overall construction still determines how those parts perform together.

For example, electrical resistance at a connection can contribute to heat. Poorly assembled contacts can create problems even when the basic material itself is suitable. Similarly, a strong housing cannot compensate for an inadequately designed electrical system.

That is why power strip safety is about construction as much as materials.

The useful question is not simply: What is this power strip made of? It is also: How are those materials being used?

Are Some Power Strip Materials Safer Than Others?

There is no single material that automatically makes a power strip safe.

A better way to compare products is to look for specific information about:

Housing material
Flame-resistance rating
Electrical rating
Conductive components
Insulation
Cable construction
Overall build quality

For example, a manufacturer that clearly states the housing material and its flame-resistance classification gives you more useful information than one that simply describes a product as "premium" or "high quality."

The more specific the specifications, the easier it is to make a meaningful comparison.

What Should You Look for When Choosing a Power Strip?

If you are comparing power strip materials before buying, start with the specifications rather than the appearance.

Check the housing material: look for a clearly identified plastic or material grade instead of a vague description.
Look for flame-resistance information: a stated rating such as UL 94 V-0 provides more useful information than simply saying a housing is "heat resistant."
Check the electrical rating: rated voltage, current, and power help you understand what the power strip is designed to handle.
Consider the cable: look at the cable length, insulation, and overall construction, especially if the power strip will be moved or repositioned regularly.
Look beyond the material name: PC, ABS, copper, and other material names are only part of the picture. The quality of the electrical design, contacts, insulation, and assembly matters too.

For a broader look at the specifications that matter when choosing a tower power strip, see our guide to How to Choose a Tower Power Strip: 6 Specs That Matter.

Power Strip Materials Are Also Part of the Design

Materials affect more than safety and durability. They also influence how a power strip looks and feels in everyday use.

Traditional power strips are often designed to sit under a desk or behind furniture. A tower power strip takes a different approach by making the outlets more accessible while using vertical space instead of spreading everything across the floor.

This means material choice becomes part of the product's visual identity as well.

A power strip does not necessarily have to look like something that belongs underneath a desk.

MiaoLab tower power strip showing housing materials and desktop construction

MiaoLab Power Strip Materials and Construction

The MiaoLab Tower Power Strip takes the same approach to the details that are easy to overlook.

The EU range uses flame-retardant housing materials, with the 3-socket model using a V-0-rated housing and the 6-socket model using a housing rated for 850°C under its specified material testing.

The two models are designed around different desk needs. The 3-socket version combines AC outlets with USB-C charging, while the 6-socket version provides six AC outlets for setups with more powered devices.

Both are rated for up to 3,680W / 16A and use a 2-meter cable.

Rather than treating the power strip as something that needs to be hidden away, the tower form also makes it part of the desktop environment, keeping the footprint compact while making the sockets easier to access.

You can see the two EU models side by side, along with their key specifications and material details, in the MiaoLab Tower Power Strip EU comparison.

The takeaway

A power strip may look like a simple plastic box, but its construction involves more than meets the eye.

The housing protects the internal system. Conductive components carry electricity. Insulation keeps the electrical path contained. The cable needs to handle both electrical load and everyday movement.

When comparing power strips, look beyond the color and number of outlets: