V. Emergency Systems

1. Properties and Types

Identify properties, types, and applications ^{2, 3, 4}

• NFPA 110 - Standard for Emergency and Standby Power Systems
• Emergency power system basics: Maintaining always-on power for reliable healthcare
• UPS 101 Knowledgebase
• UPS Basics
• Transfer Switch 101
• Understanding Transfer Switch Transition Types
• Four Pole Automatic Transfer Switches
• How Standby Generators Work
• Guide to manual and automatic transfer switch equipment
• Legally Required and Optional Standby Systems

2. Inspection and Test Procedures

Apply visual and mechanical inspections ^{2, 3, 4}

• NFPA 70 2017: Article 700 Emergency Systems ^2 3 4
• Emergency Systems and the NEC
• Article 700: Emergency Systems
• Benefits of a UPS Preventive Maintenance Service Plan
• NEC Requirements for Emergency Systems

Employ methods and procedures for electrical tests ^{2, 3, 4}

• NFPA 70B: Chapter 11.26 Emergency Systems ^2 3 4
• Transfer Switch Testing and Maintenance Guide
• Maintaining Automatic Transfer Switches for Reliability and Longevity
• Using load banks to meet emergency power generating system codes and standard

3. Interpretation of Test Results

Evaluate results of electrical tests ^{2, 3, 4}

• NETA-ATS 2017: Section 7.22 Emergency Systems ^2 3 4
• NETA-MTS 2019: Section 7.22 Emergency Systems^2 3 4

Last Update: Feb 02, 2025