Panel mounting

Electrical · Distribution Panels · printed page 96 (PDF page 97)

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Book index entries

Distribution Panels – Electrical Electric Distribution Panels

Text in the illustration

in many jurisdictions, the panel support (or back-up) must be a non-combustible material such as drywall
plywood or wood planking were commonly used for panel support in older installations
panel support

Generated explanation

The illustration shows an electrical distribution panel mounted on a rectangular backing board labeled panel support. The panel has a front cover with two columns of branch circuit breakers and a larger breaker above them. Multiple electrical cables run vertically along the backing and curve into the sides of the enclosure. The notes state that many jurisdictions require non-combustible backing, such as drywall, and that plywood or wood planking were commonly used in older installations. No specific mounting defect is identified in the drawing.

Components

electrical distribution panel panel support backing panel enclosure panel front cover branch circuit breakers main circuit breaker electrical cables cable entry fittings

Materials

metal panel enclosure drywall (identified as a backing option)plywood (identified as older backing material)wood planking (identified as older backing material)

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