Interrupting rating

Hazards

• The maximum fault current an overcurrent device is designed to interrupt safely at a specified voltage.

Controls

• Confirm available fault current and equipment series ratings before connecting temporary distribution.

Personal protective equipment

• Select task-specific PPE only after hazards and higher-order controls have been evaluated.

Regional considerations

• Applicable law, permits, collective agreements, venue rules, and qualified-person decisions take precedence.

In practice

Confirm available fault current and equipment series ratings before connecting temporary distribution.

Explore related entries

• Ampacity
• Listed equipment