Mains Powered Tools

SAFE USE OF  MAINS POWERED TOOLS AND EXTENSION CORDS 

Describe/ Explain what is a mains powered power tool

A mains powered tool is a tools which is used via cable in wall (Mains) with the advantage of not needing to recharge batteries or running out of power in the midst of working.

Where are you likely to use it?

In a workshop, at home or in a work environment.

Give 3 examples of a mains power tool you may have already used. 

Power Drills

Angle Grinder

Circular Saw

Describe/explain the task you used it for.

Power Drills - Used to remove material and create a hole.

Angle Grinder - Used to trim waste off material and also clean the material.

Circular Saw - Used to cut material to size.

General safety around electricity. 

What to look for….

- Make sure there are no splits in cables.

- Make sure connections to tools are connected properly and not loose.

- Check that the power cable is plugged into the mains properly.

- Keep any flammable liquids or materials away from the working area.

What do I do if something is wrong? ( Fault Reporting )

If something goes wrong in the work environment it is suggested to report, assess and/or replace the damage

 General hazards and dangers of mains powered power  tool

• Making sure the cord isn't a tripping hazzard
• Never carry a tool by the cord
• Keep all cords away from heating, any liquids, or sharp edges
• Follow the proper instructions for the tool in use 
• Treat all tools as if they're plugged in
• Check there are no splits in the rubber casing for the cord which creates a safety hazard due to bare wires. 
• Check that the outer covers of the tool are not damaged

What is meant by “RCD” Why is it important

An RCD is a residual current device, an Rcd can prevent you from getting a major electric shock if you touch something such as a bare live wire. It can also help prevent electrical fires. 

An RCD switches off the power source to power tools when there is a fault. It works by identifying current flowing through an abnormal path, as if someone has touched a live wire, the RCD then switches off to stop the risk of serious injury or death.

 

What is meant by “Double Insulation” Why is it important

A double insulated RCD ensures greater protection because it consists of an extra layer of insulation over the basic insulation.

Safety checks and safe working practices when using a mains-powered tool

• Ensure that the connections with tools are correctly in place.
• Inspect the tool for any damaging 
• After the use of a device, ensure that it is switched off and the is no power going through 
• Make sure that other workers are aware of where the tool is sourced so they don't trip or unplug it
• Be aware of your surroundings that could potentially cause you to harm yourself or knock something over

Hazards and dangers of extension cords

• Tripping hazard - Check that the cord is not looped up or in the way. 
• Visibility - Ensure that the electric cord is visible for others to see and isn't running into anyone way
• Too much power - Make sure that there aren't too many power tools plugged into an outlet that cannot handle the high wattage 
• Plugging in - Make sure the plugs are the prongs of the cord isn't exposed if it is plugged into an outlet

General PPE when using mains-powered tools