What do colors of extension cords mean?

The green wire is the ground wire, the white wire is the neutral wire, and the black wire is the hot wire. Light-duty interior extension cords often lack the ground wire, but if a ground wire is present, be sure to connect it.

Are outdoor extension cords color coded?

The colors chosen are up to the designated inspectors, though vinyl or electrical tape in “seasonal” colors has been suggested by various individuals in charge of the process. Red markers can be used to mark cords tested during the winter holiday season; green can be employed during the spring months; etc.

How can I tell what gauge my extension cord wire is?

Gauge is typically listed along with the number of conducting wires in the cord. For example, a 14/3 cord contains 14-gauge wire and has three conductions inside. Extension cord lengths determine the cord’s power capacity.

Are outdoor extension cords always orange?

Cords rated for outdoor use also have bright orange rubber, vinyl, or plastic covers that protect against moisture and the natural changes in temperatures that occur outside, as well as sunlight that can break down the insulation on typical indoor extension cords.

What is the best gauge for outdoor extension cords?

Recommended wire gauge for extension cords A cord measuring 14 AWG is the thinnest we recommend—and at lengths of only 25 feet or shorter—and the much thicker 10 AWG is likely the thickest gauge you’ll find in an extension cord.

What color is a 12 gauge extension cord?

Yellow
Yellow color-coded cable sheathing encloses 12-gauge wires. Yellow 12-gauge cable is typically used for 20-amp circuits that power general household outlets used for a variety of plug-in appliances.

What’s the difference between an indoor and outdoor extension cord?

Insulation is the significant difference between indoor and outdoor extensions cords. Indoor extension cords lack the materials that act as protective insulation to protect against moisture and varying temperatures. Outdoor extension cords are also made durable enough to withstand long periods in the sun.

How can you tell if an extension cord is for outdoor use?

Letter Designation. On the extension cord packaging or on the cord itself, the letter “W” indicates that the cord is designed for use outside. Outdoor extension cords have a heavy-duty appearance and tend to have tough, bright orange covers that are made from rubber, vinyl or plastic.

What does an orange extension cord mean?

W indicates a cord designed for outdoor use. The biggest difference between indoor and outdoor extension cords is the insulation. Outdoor versions have bright orange rubber, plastic, or vinyl covers, while indoor cords are much less heavy-duty.

What gauge is an orange extension cord?

16/3 Gauge
Technical Details

Is 12 gauge wire always yellow?

Yellow color-coded cable sheathing encloses 12-gauge wires. Yellow 12-gauge cable is typically used for 20-amp circuits that power general household outlets used for a variety of plug-in appliances. Dedicated appliance circuits also call for 20-amp circuits in most cases.