MYNFPA70 – The Installation Code

The general requirements that are found in Article 110 of the electrical code is where the user of the electrical code will find all of those requirements that apply to all electrical installations including but not limited to the following:

• Examination and approval of conductors and equipment

• Installation and use of conductors and equipment

• Access to electrical equipment

• Spaces about electrical equipment

• Enclosures intended for personnel entry

• Tunnel installations

There are 5 parts within this Article including the following:

• Part I General

• Part II 1000 Volts, Nominal, or Less

• Part III Over 1000 Volts

• Part IV Tunnel Installations

• Part V Manholes and Other Electrical Enclosures Intended for Personnel EntryAs highlighted in 90.3, Chapter 1 applies generally. 

Part I Addresses the general requirements

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Examination, Identification, Installation, Use, and Listing (Product Certification) of Equipment

Mechanical Execution of Work

Arc-Flash Hazard Warning requirements

Marking requirements

Identification of Disconnecting Means

Part II addresses low voltage applications:
1000 Volts, Nominal, or Less

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Lockable Disconnecting Means

Spaces About Electrical Equipment

In Sight From (Withing Sight From, Within Sight)