What are the two common groups of matters that wire and cable insulation is made of?

• Thermoplastic and thermosetting

• Metallic and non-metallic

• Conductive and non-conductive

• Organic and inorganic

Which thermoplastic insulation is the most popular and has an average temperature range of -40 to 105°C?

• Polyethylene

• PVC polyvinyl chloride

• Nylon

• FEP

Which thermoplastic insulation is known for being flexible and resistant to chemicals and abrasion, but does not have water resistance?

• PVC

• Polyethylene

• Nylon

• FEP

What is thermoset insulation made of?

• A material that gains strength when heated.

• A material that melts easily when heated.

• A material that is always flexible.

• A material that dissolves in water.

According to the passage, what is the main use of flexible cables in electrical appliances?

• For rigid connections

• For flexible connections to the power point

• For decoration

• For heating purposes

What is one advantage of flexible cables compared to other cables, as mentioned in the passage?

• They allow you to get a greater bend and will also straighten out with ease.

• They are more expensive than other cables.

• They are less durable than other cables.

• They are only suitable for outdoor use.

• They require special connectors.

If you need to install something outside and require flexibility in the wiring, which type of flex cable is recommended according to the passage?

• Standard flex

• Rigid flex

• Arctic flex

• Copper flex

One advantage of flexible cables is their ________ as they fit special parts of electrical equipment.

• reliability

• weight

• color

• cost

The flexibility of flexible cables allows them to easily ______ to fit a particular condition.

• bend

• break

• shrink

• melt

Flexible cables have a wide range of ______.

• usage

• colors

• lengths

• materials