Wire, Cable & Cord

DIY FAQs

Search

I’m replacing a light switch. How do I know which wire should be attached to each screw on the new light switch?

If you are replacing an existing switch, make a diagram of how the wires were attached to the old switch before you remove them. Snap a picture with...

 
village_electrical_wire

What do the numbers mean on electrical wire?

A wire marked 14/2 means that it's a 14-gauge wire and it contains two wires inside the insulated...

 

Is it okay to use an extension cord with a fuse on it rather than a surge protector for my computer?

No, a surge protector has components that trip before a spike in electricity damages your electronic...

 

What do the colors of the plastic insulation mean on wires?

They are designed to indicate their use, but be careful, because they are not always hooked correctly. Hot wires, those carrying current at full...

 

What is Underwriters Laboratories?

It is a non-profit organization that tests and approves electrical products. Look for “UL” labels of approval to help ensure appliances are...

 

What is BX cable?

This is a trade name for an armored cable that wraps the wires in a flexible metal...

 

What is the difference between an extension cord rated for outdoor use and a standard one?

The outer coating of the insulation is weather and sunlight...

 

How large of a cord should I use when wiring an appliance?

Use cords with 16-guage wire for appliances pulling less than 15 amps and 12-guage wire for appliances pulling up to 20...

 

Do you have an extension cord for my window air conditioner?

Yes, you need to use a major appliance cord. A regular extension cord doesn’t have heavy enough wire to safely conduct the necessary...

 

I am running an underground cable in my lawn, what should I use to connect the wires?

You can use waterproof wire nuts if you do not have a waterproof...

 
 
 


advertisement