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UL 1598 is mentioned in NEC Annex A and has several editions.

#1) 90.5(C) Explanatory Material.

NEC Section 694.40(A) states that attached metal parts, such as turbine blades and tails that are not “likely to become energized”, shall not be required to be grounded or bonded.

#2) Article 100 Definitions. Likely to Become Energize...

QR codes are an acceptable way to obtain product installation instructions.

#3) 110.3(B) Installation and Use.

Notice the roof drain is routed into the required dedicated equipment space for some of the service equipment.

#4) 110.26(E) Dedicated Equipment Space.

Section 200.6 provides the methods permitted for grounded conductor identification.

#5) 200.6 Means of Identifying Grounded Conductors.

If this measurement is within 6 feet from the top inside edge of the bowl of the sink, then listed Class A GFCI protection is required for the receptacle.

#6) 210.8 Ground-Fault Circuit-Interrupter Protection ...

Since there is a sink and permanent provisions for beverage preparation in this dwelling unit bar area, all single phase, 125-volt through 250-volt receptacles installed in this “area” require GFCI protection.

#7) 210.8(A) GFCI Protection for Dwelling Units.

An “<strong>Outlet</strong>”, according to the NEC Article 100 definition, is <strong><em>a point on the wiring system at which current is taken to supply utilization equipment</em></strong>.

#8) 210.8(F) GFCI Protection for Outdoor Outlets.

Branch/Feeder AFCI, Outlet Branch-Circuit-type AFCI, System Combination type AFCI.

#9) 210.12 AFCI Protection.

Hazards from having receptacles on islands and peninsulas have made them optional in the 2023 NEC.

#10) 210.52(C)(2) & (3) Island and Peninsular Counterto...

The marking or labels REQUIRED BY Section 225.41 shall be located on the outside front of the disconnect enclosure with red background and white text.

#11) 225.41 Emergency Disconnects.

This new language applies if one or more feeder OCPD’s are required to be selectively coordinated with a service overcurrent protective device by other requirements in the NEC.

#12) 240.11 Selective Coordination.

Grounding electrode conductors are not permitted to be installed through equipment ventilation openings.

#13) 250.64(G) Enclosures with Ventilation Openings.

The 6-inch free conductor required at each outlet, junction, and switch point is permitted to be spliced.

#14) 300.14 Length of Free Conductors at Outlets, Junct...

If an angle pull, u-pull, or splice of conductors 4 AWG or larger is made in an overcurrent device enclosure, it must comply with Section 314.28(A)(2).

#15) 312.8(A) Splices, Taps, and Feed-Through Conductor...

That the term “side” applies to any wall of a box other than the one opposite the opening.

#16) 314.24(C) Clearances for Side-Wiring Entrances.

Type NM and Type NMC cables are now permitted to be used in detached garages of multifamily dwellings permitted to be of Types III, IV, and V construction.

#17) 334.10(2) Uses Permitted.

Where conduits are used with NM cables, a bushing is required at each end to protect the cable from abrasion.

#18) 334.15(B) Protection from Physical Damage.

Physical protection of floor receptacles must allow the operation of floor-cleaning equipment without damage to receptacles.

#19) 406.4(G) Protection of Floor Receptacles.

Hinged covers of outlet box hoods (installed in wet or damp locations) must be able to open at least 90 degrees, or fully open if the cover is not designed to open 90 degrees from the closed to open position.

#20) 406.9(A) & (B) Receptacles in Damp or Wet Location...

The zone where receptacles are not permitted extends to the floor in the 2023 NEC.

#21) 406.9(C) Bathtub and Shower Space.

In the 2023 NEC, 408.4(B) requires marking on switchboards, switchgear, and panelboards (supplied by a feeder) to indicate where the power originates, as well as its physical location.

#22) 408.4(B) Source of Supply.

An HVAC disconnecting means must meet the working space requirements of NEC Section 110.26(A). The working space required for these HVAC disconnect switches is compromised by the line sets and Liquidtight conduits between the disconnect and the units.

#23) 440.14 Location.

A PV DC Circuit (as used in Article 690) includes any dc conductor in PV source circuits, PV string circuits, and PV dc-to-dc converter circuits.

#24) Figure 690.1.

The revised language in 2023 is about the conduit length and the connectors are not counted.

#25) Chapter 9 Notes and Tables.

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