Electrical Safety Quiz

An electrical appliance that is used to reduce 230– 240 V supply to 110 V is called a :

Some defects on power tools cannot be found by visual inspections alone, so further routine tests should be completed by a competent person. This is called a PAT, which stands for:

If the tool has a plastic casing or is designed so that if the live wire becomes loose it cannot touch the casing, it will not conduct electricity and is known as double-insulated.

It is currently recommended that power tools used on construction sites are PAT tested every :

• 6 months

• 3 months

• 12 months

True or False: Carpenters and joiners are never at risk of the dangers of electrical equipment in the workplace.

• True

• False

• Maybe

This element of a plug is called:

• Earth wire

• Live wire

• Cable grip

• Fuse

• Outer insulation

True or False: 110 V provides enough power to operate the tools and equipment but reduces the risk of death.

• True

• False

• Maybe

The power supply recommended for use on construction sites and joinery workshops is :

• 230-240 V

• 440-450 V

• 110 V

This element of a plug is called:

• Outer insulation

• Live wire

• Cable grip

• Fuse

• Earth wire

True or False: 110 V tools can be connected to a 240 V supply through a transformer unit/box.

• True

• False

• Maybe