Panel openings

Electrical · Service Boxes · printed page 90 (PDF page 91)

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Book index entries

Openings Openings in Electric Panels Panel – Openings – Electrical Electric Service – Box

Text in the illustration

any exposed panel openings (that would allow access to the inside of the panel) should be fitted with secure covers
panel support
openings requiring covers

Generated explanation

An electrical panel is mounted on a support board, with cables entering its enclosure from both sides. The front cover exposes two vertical rows of circuit breakers and a larger breaker above them. Dashed circles and arrows identify uncovered circular openings in the enclosure side and unused breaker openings in the front. The annotation states that exposed openings allowing access to the panel interior should be fitted with secure covers.

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