In electrical drawings, a "Bar Hat" likely refers to a mounting bar or fixture bar designed to be installed over a junction box (J-Box) to provide support for multiple light fixtures. The "hat" portion probably refers to the shape of the bar, often having a raised section or lip that helps it sit securely over the J-Box and distributes the weight of the fixtures.Here's a breakdown of why this is likely the meaning, and some considerations: Function

The primary purpose of a Bar Hat (mounting bar) is to provide a stable and code-compliant method of hanging multiple light fixtures or a more substantial fixture from a standard J-Box. Using it distributes the weight across a larger area than just relying on the J-Box's mounting screws alone.

Shape

The "hat" term suggests the bar has a form like a hat, perhaps a wide, flat section with a raised edge that wraps around the J-Box. Some bars have a raised section in the middle which could also be described as "hat-like".

Context

The note specifically mentions hanging three fixtures. This strongly suggests the Bar Hat is intended to distribute the load and provide multiple mounting points. The J-Box by itself may not be rated or physically capable of safely supporting that many fixtures.

Alternatives and Considerations



Specific Types of Mounting Bars

There are many types of mounting bars available, each designed for different applications. Some are adjustable, some are fixed, and some are designed for specific types of fixtures.

Weight Limits

Always check the weight rating of both the J-Box and the mounting bar to ensure they can safely support the weight of all the fixtures being hung.*

Code Compliance

Ensure the installation complies with local electrical codes. Using the wrong type of mounting bar, or exceeding weight limits, can be a safety hazard and a code violation.

Recommendation

To be absolutely sure, you should:1.

Check the Drawing Legend or Details

The electrical drawing's legend or a separate detail sheet should define any non-standard terms or symbols. Look for "Bar Hat" or "Mounting Bar" in those sections.2.

Consult the Project Specifications

The project specifications may provide more detailed information about the types of materials and fixtures to be used.3.

Ask the Electrical Designer or Engineer: If the drawing and specifications are unclear, the best course of action is to ask the person who created the drawings for clarification.In summary, "Bar Hat" almost certainly refers to a mounting bar designed to be installed over a J-Box to safely support multiple fixtures. Always verify the specific type required and ensure compliance with weight limits and electrical codes. Flag for review