This section pulls together all of those locations where the term “in sight from” appears.  Where NFPA 70 specifies that equipment shall be “in sight from,” “within sight from,” or “within sight of” other equipment, 50 ft is your distance.

Related NFPA 70 requirements include the following:

100 In Sight From (Withing Sight From, Within Sight)

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NFPA 70-2023 Changes

This new section rectifies a 2020 NEC Style Manual issue with the definition of In Sight From.  The definition in previous editions of NFPA 70 had requirements within the definition.  NFPA 70-2023 modified the definition and created this new section to address the conflict.