Extension Cord Codes

What does the writing on an extension cord mean?

Extension Cords Mulit Outlet and More buyextensioncord

Home | My Account| Log-In | Log-Off | Customer Service | Cart Contents carts | CheckOut the goodbuyguys on facebook the goodbuyguys on facebook google plus logo

Good Buys
Extension Cords
Multi Outlet
Light Gauge Edison
Heavy Gauge Edison
Light Gauge IEC
Lighted Ends
White Extension Cords
Wire Ties
Mic Stands
Boom Stands
Straight Stands
Desk Stands
9 Volt
C Cell
D Cell
6 volt
Gaffers Tape
Duct Tape
Safety Tape
Floor Tape
Paper Tape
Mic Cables
economy grade
utility grade
professional grade
Specialty Items
Adhesive Removers
Tape Guns
Speaker Cables
Speakon to Speakon connectors
Speakon to 1/4 in. connectors
1/4 in. to 1/4 in. connectors
Companion Sites
customer service

Extension Cord Key

what does the writing on an extension cord mean?

The Jackets of extension cords are covered with imprints or embossing indicating how and where they can appropriately be used.

It is essential to choose the correct cable jacket if you plan to use the extension cord in a demanding environment.

Here's the key to some of that code as outlined in the National Electrical Code.

S Hard Service Flexible Cord
SJ Junior Hard Service Flexible Cord
E Thermoplastic Elastomer Insulation
T Thermoplastic Insulation
O Jacket is Oil Resistant
OO Jacket & Conductors are Oil Resistant
R Thermoplastic Rubber Insulation
X Cross-linked Synthetic Polymer Insulation
HH High Temperature
W Moisture Resistant
N Nylon Jacket


Featured Product

Multioutlet extension cord

Woods Multioutlet Extension Cord
Good Information
Extension Cords For Powered Speakers
Extension Cord Size Info
New Product Line-Lighted End Extension Cords
What Makes A Good Extension Cord?
Want To Know About Extension Cord Standards?
Extension Cord Care
Extension Cord Key
Choosing your Extension Cords
Voltage Drop Calculator
What Is An Edison Connector?
What Is An IEC Connector?
Extension Cord Safety
Extension Cord Grounding Explained
Underwriters Laboratory Who are they?
New Extension Cord Standards
Track Copper To Undertand Cable Prices
How To Coil A Cable Video

About Us Free Catalog Our Guarantee Your Security
Shipping InfoFrequently Asked Questions Privacy Notice Contact Us Links Page
Click for Advanced Search

Phone: 877-863-6150 Fax: 800- 327-6651 Contact Us

BuyExtensionCord.com has a great Extension Cords including Lighted Multi Outlet Extension Cords, Heavy Gauge Extension Cords, Light Gauge Extension Cords and Extension Cord Accessories.