NCC 2022 Volume One - Building Code of Australia Class 2 to 9 buildings

J7

Part J7 Artificial lighting and power

Part J7 Artificial lighting and power

Introduction to this Part

This Part contains Deemed-to-Satisfy Provisions for compliance with Part J1. It sets out provisions for the design and configuration of artificial lighting and power, boiling and chilled water units, lifts and escalators and moving walkways.

Notes

From 1 May 2023 to 30 September 2023 Section J of NCC 2019 Volume One Amendment 1 may apply instead of Section J of NCC 2022 Volume One. From 1 October 2023 Section J of NCC 2022 Volume One applies.

Notes: New South Wales Section J Energy Efficiency

  1. For a Class 2 building or a Class 4 part of a building, where a relevant development consent or an application for a complying development certificate requires compliance with a BASIX Single Dwelling or Multi Dwelling Certificate issued under Version 3.0 or earlier, NSW Section J of NCC 2019 Volume One Amendment 1 applies.
  2. For a Class 2 building or a Class 4 part of a building, where a relevant development consent or an application for a complying development certificate requires compliance with a BASIX Single Dwelling or Multi Dwelling Certificate issued under Version 4.0 or later, Section J of NCC 2022 Volume One applies.
  3. For a Class 2 building or a Class 4 part of a building, where a relevant development consent or an application for a complying development certificate requires compliance with a BASIX Alterations and Additions Certificate, NSW Section J of NCC 2019 Volume One Amendment 1 applies.
  4. For a Class 3 building or Class 5 to 9 building:
    1. From 1 May 2023 to 30 September 2023 NSW Section J of NCC 2019 Volume One Amendment 1 may apply instead of Section J of NCC 2022 Volume One.
    2. From 1 October 2023 Section J of NCC 2022 Volume One applies.

Notes: Tasmania Section J Energy Efficiency

In Tasmania, for a Class 2 building and Class 4 part of a building, Section J is replaced with Section J of BCA 2019 Amendment 1.

Deemed-to-Satisfy Provisions

(1) Where a Deemed-to-Satisfy Solution is proposed, Performance Requirements J1P1 to J1P4 are satisfied by complying with—

  1. J2D2; and
  2. J3D2 to J3D15; and
  3. J4D2 to J4D7; and
  4. J5D2 to J5D8; and
  5. J6D2 to J6D13; and
  6. J7D2 to J7D9; and
  7. J8D2 to J8D4; and
  8. J9D2 to J9D5.

NSW J7D1 Deemed-to-Satisfy Provisions2019: J6.0

Delete subclause J7D1(1) and insert J7D1(1) as follows:

(1) Where a Deemed-to-Satisfy Solution is proposed, Performance Requirements NSW J1P1 to NSW J1P7 are satisfied by complying with—

  1. NSW J2D2; and
  1. NSW J3D2 to J3D10; and
  2. NSW J4D2 to J4D7; and
  3. NSW J5D2 to J5D8; and
  4. NSW J6D2 to J6D13; and
  5. NSW J7D2 to J7D9; and
  6. J8D2 to NSW J8D4; and
  7. J9D2 to J9D5.

(2) Where a Performance Solution is proposed, the relevant Performance Requirements must be determined in accordance with A2G2(3) and A2G4(3) as applicable.

NCC Blurbs

(1) The Deemed-to-Satisfy Provisions of this Part do not apply to a Class 2 building or a Class 4 part of a building.

(2) J7D3, J7D4 and J7D6(1)(b) do not apply to a Class 8 electricity network substation.

NCC Title

Application of Part

NCC State
NSW
NCC Variation Type
Replacement
NCC SPTC Current
Application of Part

J7D3, J7D4 and J7D6(1)(b) do not apply to a Class 8 electricity network substation.

(1) In a sole-occupancy unit of a Class 2 building or a Class 4 part of a building—

  1. the lamp power density or illumination power density of artificial lighting must not exceed the allowance of—
    1. 5 W/m2 within a sole-occupancy unit; and
    2. 4 W/m2 on a verandah, balcony or the like attached to a sole-occupancy unit; and
  2. the illumination power density allowance in (a) may be increased by dividing it by the illumination power density adjustment factor for a control device in Table J7D3b as applicable; and
  3. when designing the lamp power density or illumination power density, the power of the proposed installation must be used rather than nominal allowances for exposed batten holders or luminaires; and
  4. halogen lamps must be separately switched from fluorescent lamps.

NSW J7D3 Artificial lighting2019: J6.2

Delete subclause J7D3(1) and insert J7D3(1) as follows:

(1) This subclause does not apply in NSW.

(2) In a building other than a sole-occupancy unit of a Class 2 building or a Class 4 part of a building—

  1. for artificial lighting, the aggregate design illumination power load must not exceed the sum of the allowances obtained by multiplying the area of each space by the maximum illumination power density in Table J7D3a; and
  2. the aggregate design illumination power load in (a) is the sum of the design illumination power loads in each of the spaces served; and
  3. where there are multiple lighting systems serving the same space, the design illumination power load for (b) is—
    1. the total illumination power load of all systems; or
    2. where a control system permits only one system to operate at a time based on the highest illumination power load; or determined by the formula—
      H×T/2+P×(100−T/2/100MathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaamWaaeaaca WGibGaey41aqRaamivaiaac+cacaaIYaGaey4kaSIaamiuaiabgEna 0kaacIcacaaIXaGaaGimaiaaicdacqGHsislcaWGubGaai4laiaaik daaiaawUfacaGLDbaacaGGVaGaaGymaiaaicdacaaIWaaaaa@49D2@
  4. In the formula at (c)(ii)—
    1. HMathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamisaaaa@36C1@
      = the highest illumination power load; and
    2. TMathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamivaaaa@36CD@
      = the time for which the maximum illumination power load will occur, expressed as a percentage; and
    3. PMathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiuaaaa@36C9@
      = the predominant illumination power load.

NSW J7D3 Artificial lighting2019: J6.2

Delete subclause J7D3(2) and insert J7D3(2) as follows:

(2) In a Class 3 or Class 5 to 9 building—

  1. for artificial lighting, the aggregate design illumination power load must not exceed the sum of the allowances obtained by multiplying the area of each space by the maximum illumination power density in Table J7D3a; and
  2. the aggregate design illumination power load in (a) is the sum of the design illumination power loads in each of the spaces served; and
  3. where there are multiple lighting systems serving the same space, the design illumination power load for (b) is—
    1. the total illumination power load of all systems; or
    2. where a control system permits only one system to operate at a time based on the highest illumination power load; or determined by the formula—
      H×T/2+P×(100−T/2/100MathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaamWaaeaaca WGibGaey41aqRaamivaiaac+cacaaIYaGaey4kaSIaamiuaiabgEna 0kaacIcacaaIXaGaaGimaiaaicdacqGHsislcaWGubGaai4laiaaik daaiaawUfacaGLDbaacaGGVaGaaGymaiaaicdacaaIWaaaaa@49D2@
  4. In the formula at (c)(ii)—
    1. HMathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamisaaaa@36C1@
      = the highest illumination power load; and
    2. TMathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamivaaaa@36CD@
      = the time for which the maximum illumination power load will occur, expressed as a percentage; and
    3. PMathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiuaaaa@36C9@
      = the predominant illumination power load.

(3) The requirements of (1) and (2) do not apply to the following:

  1. Emergency lighting provided in accordance with Part E4.
  2. Signage, display lighting within cabinets and display cases that are fixed in place.
  3. Lighting for accommodation within the residential part of a detention centre.
  4. A heater where the heater also emits light, such as in bathrooms.
  5. Lighting of a specialist process nature such as in a surgical operating theatre, fume cupboard or clean workstation.
  6. Lighting of performances such as theatrical or sporting.
  7. Lighting for the permanent display and preservation of works of art or objects in a museum or gallery other than for retail sale, purchase or auction.
  8. Lighting installed solely to provide photosynthetically active radiation for indoor plant growth on green walls and the like.

(4) For the purposes of Table J7D3b, the following control devices must comply with Specification 40:

  1. Lighting timers.
  2. Motion detectors.
  3. Daylight sensors and dynamic lighting control devices.
Table J7D3a Maximum illumination power density
Space Maximum illumination power density (W/m2)
Auditorium, church and public hall 8
Board room and conference room 5
Carpark - general 2
Carpark - entry zone (first 15 m of travel) during the daytime 11.5
Carpark - entry zone (next 4 m of travel) during the day 2.5
Carpark - entry zone (first 20 m of travel) during night time 2.5
Common rooms, spaces and corridors in a Class 2 building 4.5
Control room, switch room and the like - intermittent monitoring 3
Control room, switch room and the like - constant monitoring 4.5
Corridors 5
Courtroom 4.5
Dormitory of a Class 3 building used for sleeping only 3
Dormitory of a Class 3 building used for sleeping and study 4
Entry lobby from outside the building 9
Health-care - infants' and children's wards and emergency department 4
Health-care - examination room 4.5
Health-care - examination room in intensive care and high dependency ward 6
Health-care - all other patient care areas including wards and corridors 2.5
Kitchen and food preparation area 4
Laboratory - artificially lit to an ambient level of 400 lx or more 6
Library - stack and shelving area 2.5
Library - reading room and general areas 4.5
Lounge area for communal use in a Class 3 or 9c building 4.5
Museum and gallery - circulation, cleaning and service lighting 2.5
Office - artificially lit to an ambient level of 200 lx or more 4.5
Office - artificially lit to an ambient level of less than 200 lx 2.5
Plant room where an average of 160 lx vertical illuminance is required on a vertical panel such as in switch rooms 4
Plant rooms with a horizontal illuminance target of 80 lx 2
Restaurant, café, bar, hotel lounge and a space for the serving and consumption of food or drinks 14
Retail space including a museum and gallery whose purpose is the sale of objects 14
School - general purpose learning areas and tutorial rooms 4.5
Sole-occupancy unit of a Class 3 or 9c building 5
Storage 1.5
Service area, cleaner's room and the like 1.5
Toilet, locker room, staff room, rest room and the like 3
Wholesale storage area with a vertical illuminance target of 160 lx 4
Stairways, including fire-isolated stairways 2
Lift cars 3
Table Notes
  1. In areas not listed above, the maximum illumination power density is—
    1. for an illuminance not more than 80 lx, 2 W/m2; and
    2. for an illuminance more than 80 lx and not more than 160 lx, 2.5 W/m2; and
    3. for an illuminance more than 160 lx and not more than 240 lx, 3 W/m2; and
    4. for an illuminance more than 240 lx and not more than 320 lx, 4.5 W/m2; and
    5. for an illuminance more than 320 lx and not more than 400 lx, 6 W/m2; and
    6. for an illuminance more than 400 lx and not more than 600 lx, 10 W/m2; and
    7. for an illuminance more than 600 lx and not more than 800 lx, 11.5 W/m2.
  2. For enclosed spaces with a Room Aspect Ratio of less than 1.5, the maximum illumination power density may be increased by dividing it by an adjustment factor for room aspect which is 0.5 + (Room Aspect Ratio/3).
  3. The Room Aspect Ratio of the enclosed space is determined by the formula: A/(H x C), where—
    1. A is the area of the enclosed space; and
    2. H is the height of the space measured from the floor to the highest part of the ceiling; and
    3. C is the perimeter of the enclosed space at floor level.
  4. In addition to 2, the maximum illumination power density may be increased by dividing it by the illumination power density adjustment factor in Table J7D3b and Table J7D3c and where the control device is not installed to comply with J6D4.
  5. Circulation spaces are included in the allowances listed in the Table.
Table J7D3b Illumination power density adjustment factor for a control device
Item Notes 1 and 2 Description illumination power density adjustment factor
Motion detector In a toilet or change room, other than a public toilet, in a Class 6 building 0.4
Motion detector Where a group of light fittings serving less than 100 m2 is controlled by one or more detectors 0.6
Motion detector Where a group of light fittings serving 100 m2 or more is controlled by one or more detectors 0.7
Programmable dimming system Note 3 Where not less than 75% of the area of a space is controlled by programmable dimmers 0.85
Fixed dimming Notes 3 and 4 All fittings with fixed dimming Whichever is greater of (a) 0.5; or (b) 0.2+0.8L where L = the illuminance turndown for the fixed dimming.
Lumen depreciation dimming Note 3 All fittings with lumen depreciation dimming 0.85
Two stage sensor - equipped lights with minimum power of 30 % of peak power or less Fire stairs and other spaces not used for regular transit 0.4
Two stage sensor - equipped lights with minimum power of 30% of peak power or less Transitory spaces in regular use or in a carpark 0.7
Daylight sensor and dynamic lighting control device - dimmed or stepped switching of lights adjacent windows Notes 3 and 5 In a Class 5, 6, 7, 8 or 9b building or a Class 9a building, other than a ward area, where the lights are adjacent windows, other than roof lights, for a distance from the window equal to the depth of the floor to window head height 0.5 Note 3 
Daylight sensor and dynamic lighting control device - dimmed or stepped switching of lights adjacent windows Notes 3 and 5 Serving a Class 3 or 9c building, or a Class 9a ward area, where the lights are adjacent windows, other than roof lights, for a distance from the window equal to the depth of the floor to window head height 0.75 Note 3 
Daylight sensor and dynamic lighting control device - dimmed or stepped switching of lights adjacent windows Notes 3 and 5 In a Class 5, 6, 7, 8 or 9b building or a Class 9a building, other than a ward area, where the lights are adjacent roof lights 0.6 Note 3
Daylight sensor and dynamic lighting control device - dimmed or stepped switching of lights adjacent windows Notes 3 and 5 In a Class 3 or 9c building, or a Class 9a ward area, where the lights are adjacent roof lights 0.8 Note 3
Table Notes
  1. A maximum of two illumination power density adjustment factors for a control device can be applied to an area.
  2. Where more than one illumination power density adjustment factor (other than for room aspect) applies to an area, they are to be combined using the following formula: A x (B + [(1 - B)/2]), where—
    1. A is the lowest applicable illumination power density adjustment factor; and
    2. B is the second lowest applicable illumination power density adjustment factor.
  3. The adjustment factor does not apply to tungsten, halogen or other incandescent sources.
  4. Includes luminaires with a pre-programmed function which provides dimming from ON to OFF (one-stage dimming).
  5. The illumination power density adjustment factor is only applied to lights controlled by daylight sensors between 8:00 am and 7:00 pm.
Table J7D3c Illumination power density adjustment factor for light colour
Light source Description Illumination power density adjustment factor
CRI ≥ 90 Where lighting with good colour rendering is used 0.9
CCT ≤ 3500 K Note Where lighting with a warm appearance is used 0.8
CCT ≥ 4500 K Where lighting with a cool appearance is used 1.1
Table Notes

Includes luminaires that can adjust their CCT to 3500 K or below.

(1) All artificial lighting of a room or space must be individually operated by–

  1. a switch; or
  2. other control device; or
  3. a combination of (a) and (b).

(2) An occupant activated device, such as a room security device, a motion detector in accordance with Specification 40, or the like, must be provided in the sole-occupancy unit of a Class 3 building, other than where providing accommodation for people with a disability or the aged, to cut power to the artificial lighting, air-conditioner, local exhaust fans and bathroom heater when the sole-occupancy unit is unoccupied.

(3) An artificial lighting switch or other control device in (1) must—

  1. if an artificial lighting switch, be located in a visible and easily accessed position—
    1. in the room or space being switched; or
    2. in an adjacent room or space from where 90% of the lighting being switched is visible; and
  2. for other than a single functional space such as an auditorium, theatre, swimming pool, sporting stadium or warehouse—
    1. if in a Class 5 building or a Class 8 laboratory, not operate lighting for an area of more than 250 m2; or
    2. if in a Class 3, 6, 7, 8 (other than a laboratory) or 9 building, not operate lighting for an area of more than—
      1. 250 m2 for a space of not more than 2000 m2; or
      2. 1000 m2 for a space of more than 2000 m2.

(4) 95% of the light fittings in a building or storey of a building, other than a Class 2 or 3 building or a Class 4 part of a building, of more than 250 m2 must be controlled by—

  1. a time switch in accordance with Specification 40; or
  2. an occupant sensing device such as—
    1. a security key card reader that registers a person entering and leaving the building; or
    2. a motion detector in accordance with Specification 40.

NSW J7D4 Interior artificial lighting and power control2019: J6.3

Delete subclause J7D4(4) and insert J7D4(4) as follows:

(4) 95% of the light fittings in a building or storey of a building, other than a Class 3 building of more than 250 m2 must be controlled by—

  1. a time switch in accordance with Specification 40; or
  2. an occupant sensing device such as—
    1. a security key card reader that registers a person entering and leaving the building; or
    2. a motion detector in accordance with Specification 40.

(5) In a Class 5, 6 or 8 building of more than 250 m2, artificial lighting in a natural lighting zone adjacent to windows must be separately controlled from artificial lighting not in a natural lighting zone in the same storey except where—

  1. the room containing the natural lighting zone is less than 20 m2; or
  2. the room’s natural lighting zone contains less than 4 luminaires; or
  3. 70% or more of the luminaires in the room are in the natural lighting zone.

(6) Artificial lighting in a fire-isolated stairway, fire-isolated passageway or fire-isolated ramp, must be controlled by a motion detector in accordance with Specification 40.

(7) Artificial lighting in a foyer, corridor and other circulation spaces—

  1. of more than 250 W within a single zone; and
  2. adjacent to windows,

must be controlled by a daylight sensor and dynamic lighting control device in accordance with Specification 40.

(8) Artificial lighting for daytime travel in the first 19 m of travel in a carpark entry zone must be controlled by a daylight sensor in accordance with Specification 40.

(9) The requirements of (1), (2), (3), (4), (5), (6), (7) and (8) do not apply to the following:

  1. Emergency lighting in accordance with Part E4.
  2. Where artificial lighting is needed for 24 hour occupancy such as for a manufacturing process, parts of a hospital, an airport control tower or within a detention centre.

(10) The requirements of (4) do not apply to the following:

  1. Artificial lighting in a space where the sudden loss of artificial lighting would cause an unsafe situation such as—
    1. in a patient care area in a Class 9a building or in a Class 9c building; or
    2. a plant room or lift motor room; or
    3. a workshop where power tools are used.
  2. A heater where the heater also emits light, such as in bathrooms.

(1) Interior decorative and display lighting, such as for a foyer mural or art display, must be controlled—

  1. separately from other artificial lighting; and
  2. by a manual switch for each area other than when the operating times of the displays are the same in a number of areas such as in a museum, art gallery or the like, in which case they may be combined; and
  3. by a time switch in accordance with Specification 40 where the display lighting exceeds 1 kW.

(2) Window display lighting must be controlled separately from other display lighting.

(1) Exterior artificial lighting attached to or directed at the facade of a building, must—

  1. be controlled by—
    1. a daylight sensor; or
    2. a time switch that is capable of switching on and off electric power to the system at variable pre-programmed times and on variable pre-programmed days; and
  2. when the total lighting load exceeds 100 W—
    1. use LED luminaires for 90% of the total lighting load; or
    2. be controlled by a motion detector in accordance with Specification 40; or
    3. when used for decorative purposes, such as façade lighting or signage lighting, have a separate time switch in accordance with Specification 40.

(2) The requirements of (1)(b) do not apply to the following:

  1. Emergency lighting in accordance with Part E4.
  2. Lighting around a detention centre.

Power supply to a boiling water or chilled water storage unit must be controlled by a time switch in accordance with Specification 40.

Lifts must—

  1. be configured to ensure artificial lighting and ventilation in the car are turned off when it is unused for 15 minutes; and
  2. achieve the idle and standby energy performance level in Table J7D8a; and
  3. achieve—
    1. the energy efficiency class in Table J7D8b; or
    2. if a dedicated goods lift, energy efficiency class D in accordance with ISO 25745-2.
Table J7D8a Lift idle and standby energy performance level
Rated load Idle and standby energy performance level in accordance with ISO 25745-2 Note
Less than or equal to 800 kg 2
801 kg to less than or equal to 2000 kg 3
2001 kg to less than or equal to 4000 kg 4
Greater than 4000 kg 5
Table Notes

Applies to the standby power used after 30 minutes.

Table J7D8b Lift energy efficiency class
Usage category in accordance with ISO 25745-2 Energy efficiency class in accordance with ISO 25745-2
1-4 C
> 5 D

Escalators and moving walkways must have the ability to slow to between 0.2 m/s and 0.05 m/s when unused for more than 15 minutes.