What is the weight limit for ceiling fan boxes that must be marked?

The weight limit for ceiling fan boxes that must be marked is 35 pounds. This specification is crucial because it ensures that ceiling fan boxes are appropriately rated to support the weight of fans, which can be quite heavy, especially if they have additional features like light kits or multiple blades.

Marked weight limits help electricians and DIY installers select the correct support structure for fan installation, ensuring safety and function. Exceeding the marked weight can lead to improper installation, mechanical failure, or even cause the ceiling fan to fall, leading to potential injuries and damage.

Understanding the weight limit criteria and their importance in safe electrical installations is essential for professionals in the field, as it directly impacts the safety and reliability of ceiling fan installations in residential settings.