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// CODE SNIPPET

(A) Portable Generators

National Electrical Code 2020 of Texas > 2 Wiring and Protection > 250 Grounding and Bonding > 250.34 Portable, Vehicle-Mounted, and Trailer-Mounted Generators > (A) Portable Generators
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The frame of a portable generator shall not be required to be connected to a grounding electrode as defined in 250.52 for a system supplied by the generator under both of the following conditions:
  1. The generator supplies only equipment mounted on the generator, cord-and-plug-connected equipment through receptacles mounted on the generator, or both.
  2. The normally non-current-carrying metal parts of equipment and the equipment grounding conductor terminals of the receptacles are connected to the generator frame.

Related Code Sections


(A) Wiring and Protection, Portable Generators
The frame of a portable generator shall not be required to be connected to a grounding electrode as defined in 250.52 for a system supplied ...
National Electrical Code 2020 of Texas > 2 Wiring and Protection > 250 Grounding and Bonding > 250.34 Portable, Vehicle-Mounted, and Trailer-Mounted Generators > (A) Portable Generators
702.11 Special Conditions, Portable Generator Grounding
Where a portable optional standby source is used as a separately derived system, it shall be grounded to a grounding electrode in accordance ...
National Electrical Code 2020 of Texas > 7 Special Conditions > 702 Optional Standby Systems > 702.11 Portable Generator Grounding
(3) Special Occupancies, Receptacles on 15-kW or Less Portable Generators
All 125-volt and 125/250-volt, single-phase, 15-, 20-, and 30-ampere receptacle outlets that are a part of a 15-kW or smaller portable generator ...
National Electrical Code 2020 of Texas > 5 Special Occupancies > 590 Temporary Installations > 590.6 Ground-Fault Protection for Personnel > (A) Receptacle Outlets > (3) Receptacles on 15-kW or Less Portable Generators
(5) Special Conditions, Outdoor Generator Sets
(a) Permanently Installed Generators and Portable Generators Greater Than 15 kW . Where an outdoor housed generator set is equipped with a readily ...
National Electrical Code 2020 of Texas > 7 Special Conditions > 708 Critical Operations Power Systems (COPS) > 708.20 Sources of Power > (F) Generator Set > (5) Outdoor Generator Sets
445.20 Equipment for General Use, Ground-Fault Circuit-Interrupter Protection for Receptacles on 15-kW or Smaller Portable Generators
Receptacle outlets that are a part of a 15-kW or smaller portable generator shall have listed ground-fault circuit-interrupter protection (GFCI ...
National Electrical Code 2020 of Texas > 4 Equipment for General Use > 445 Generators > 445.20 Ground-Fault Circuit-Interrupter Protection for Receptacles on 15-kW or Smaller Portable Generators
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