• NEMA ST 20-1992 (R1997)

NEMA ST 20-1992 (R1997)

  • Dry Type Transformers for General Applications
  • standard by National Electrical Manufacturers Association, 01/01
  • Category: NEMA

$81.00 $41.00

Applies to single-phase and polyphase dry type transformers (including both autotransformers and noncurrent limiting reactors) for supplying energy to power, heating, and lighting circuits.
PDF

All of our standards document are available in PDF (Portable Document Format), an electronic, downloadable format.You will be able to download the file in your account downloads.

Multi-User Access

After purchasing, you have the ability to assign each license to a specific user.

Printable

At any time, you are permitted to make printed copies for your and your members' reference use.

NEMA SSL 1-2016

NEMA SSL 1-2016

Electronic Drivers for LED Devices, Arrays, or Systems..

$35.00 $69.00

NEMA LSD 58-2017

NEMA LSD 58-2017

Air Infiltration Ratings for Recessed Luminaires..

$75.00 $150.00

NEMA WD-AG 1-2017

NEMA WD-AG 1-2017

Application Guide for Isolated Ground Wiring Devices..

$86.00 $171.00

NEMA AB 4-2017

NEMA AB 4-2017

Guidelines for Inspection and Preventive Maintenance of Molded Case Circuit Breakers Used in Commerc..

$57.00 $113.00