This Standards Publication defines minimum mechanical and electrical construction and performance requirements applying to the following arc welding power sources:

1. Single phase transformer or transformer-rectifier;

2. Polyphase transformer or transformer-rectifier;

3. DC generator;

4. AC generator or ac generator with rectifier; and

5. Associated electrical attachments.

Customers who purchased NEMA EW 1
also purchased

• API STD 1104 : Welding of Pipelines and Related Facilities-Twentieth Edition; Incorporates Errata/Addendum: July 2007, Errata 2: December 2008
• AWS CM : Certification Manual for Welding Inspectors-Fourth Edition
• AWS WI : Welding Inspection Handbook-Third Edition

See More Documents