Electricity cannot pass through rubber as long as the rubber is 100 percent rubber.
If the rubber is not 100 percent rubber then the electricity could sometimes pass through it but not because it's rubber.
You can still be shocked through some rubber gloves but if you wear 100 percent rubber gloves then you should not get shocked.
Also you must make sure the rubber gloves have no holes in them either as the electricity could travel through the hole and shock you.
This is why lineman must always inspect their work gloves before wearing them and working on live lines.
An electrical conductor is a substance in which electrical charge carriers, usually electrons, move easily from atom to atom with the application of voltage.
Conductivity, in general, is the capacity to transmit something, such as electricity or heat.
In physics and electrical engineering, a conductor is an object or type of material that allows the flow of charge in one or more directions.
Materials made of metal are common electrical conductors.
Conductors are substances that an electric charge can pass through without difficulty.
An electric charge cannot pass through an insulator easily.
Different types of atoms make a substance a conductor or an insulator. All substances are made of atoms.
Some examples of electrical conductors include.
Silver.
Gold.
Copper.
Aluminum.
Mercury.
Steel.
Iron.
Seawater.
There are four types of conductors, namely, good conductors, semiconductors, resistors and non-conductors. Non-conductors are also termed as insulators.