Electrical Safety Training Course UL 891 – Switchboards

STANDARDS FOR SAFETY – SWITCHBOARDS  (8 Hours)
Class Name : UL 891

Course Overview: The training for UL 891 or Deadfront Switchboards will allow the student to navigate the standard to understand what a listed cabinet is, what testing is required, what constitutes a modified cabinet, what they will do when modified, and any field testing that will be required, and what to expect.

Target Audience:

  • Solar shops
  • OEMs
  • Electrical Contractors
  • Building maintenance
  • General Contractors

Objectives
1. Learn to navigate the UL 891
2. Definitions of the verbiage in the Standard
3. Able to understand current markings
4. Able to understand bracing
5. Able to understand testing required
6. Able to understand Service Conditions
7. Able to understand Classifications for environments

Upcoming Class Schedule

This class is performed on a custom schedule by schedule basis.  If you are interested in attending this class, or wish setting up a new class for a group of attendees, please submit the class inquiry form below and one of our training advisors will be in touch very soon.

Course Outline:

I. Scope

II. Electrical Assemblies

A. Ratings
B. SCCR
C. Peak Withstand
D. Conditional Short Circuit Current
E. Fuse Short Circuit Current

III. Name Plates and Markings

IV. Service Conditions

V. Design Construction

A. Mechanical
B. Degree
C. Temperature Rise
D. Protection Against Electrical Shock
E. Barrier

VI. Tests

A. Calssification
B. Type
C. Routine

VII. Tables

VIII. Examples of SCCR

IX. Torque

X. Annex G

A. Supports and Bracing
B. Marking

Class Inquiry Form:

"*" indicates required fields