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Reconditioned Equipment Certification and Safety Compliance

Meet requirements for reconditioned equipment to promote safe and sustainable manufacturing practices.

Five stacks of electrical switchgear panels prepared for maintenance.

Certification solutions and safety compliance services for reconditioned equipment

Interest in sustainable construction practices and a move away from a “take-make-waste” linear economy mindset continues to grow. Concerns about the environment and current economic conditions have put a spotlight on a circular economy, which aims to design out waste and pollution, keep products and materials in use, and regenerate natural systems.

In a perfect circular world, products at the end of service life would go through a remanufacturing process that restores them to a like-new condition, which recovers the value and reduces the environmental impact of the product. Remanufacturing (also known as rebuilding, refurbishing, reconditioning or renovating), lessens the need for virgin materials for new products and reduces the energy and emissions required for production. To do this, end-of-life products are systematically disassembled, cleaned and inspected for wear. Damaged components are restored or replaced, feature upgrades are incorporated, and the product is reassembled and requalified.

Circular opportunities globally are estimated to be as much as $700 billion annually on material savings. As a circular economy becomes more relevant due to consumer demands, financial incentives and rising regulatory measures, finding circular flows, like remanufacturing, is critical to keeping materials in productive use longer. However, for remanufacturing to be a viable construction practice, it needs to be sustainable and it cannot undermine the fundamental levels established for public safety.

UL’s rebuilt equipment certification programs address both sustainable manufacturing practices and safety concerns. We establish the feasibility of determining compliance of the rebuilt product with all the applicable safety requirements and evaluate products to the same requirements used to evaluate newly constructed products. We look for potential effects of deterioration due to normal use and aging or damage caused by fire, flood, seismic, wind or electrical faults. We also consider whether the manufacturer has the necessary facilities, technical knowledge and skills to rebuild products that continue to comply with relevant safety requirements to help ensure the safe approval and use of rebuilt equipment.

Standards and regulations  

The UL Mark on a newly manufactured piece of equipment indicates that the product was in compliance with nationally recognized safety requirements upon factory release, was produced under a factory surveillance program, and is suitable for installation and use in accordance with applicable model codes. However, if a product is subsequently remanufactured or rebuilt, UL cannot confirm that it continues to comply with the appropriate safety requirements without additional investigation.

NEC 2020

To help ensure the safe approval and use of rebuilt equipment, a revision to Section 110.21(A)(2) of the 2020 NEC® now requires reconditioned equipment to be identified as “reconditioned” and the original listing mark removed. The certification of the reconditioned equipment is not based solely on the equipment’s original listing. Requirements throughout the NEC address requirements for specific type of reconditioned products. 

NEMA policy on reconditioned electrical equipment

The National Electrical Manufacturers Association (NEMA) has developed guidance for reconditioned equipment in the electrical industry. The NEMA Policy on Reconditioned Electrical Equipment contains important information on industry positions relative to the suitability and safety of reconditioned equipment in the electrical infrastructure and processes for accomplishing the reconditioning of suitable equipment.

Reconditioned equipment and the UL Mark

Remanufactured equipment, even equipment bearing an original listing mark, may not continue to comply with the safety standards used to investigate the original equipment. It can be difficult or impossible to confirm that the rebuilt equipment continues to comply with critical safety requirements. Because of this difficulty, Section 110.21(A)(2) of the 2020 NEC® now requires reconditioned equipment to be identified as “reconditioned” and the original listing mark removed. These marking requirements provide assistance in determining the details of the equipment reconditioning provider and the report on what was completed by that provider during this process. Equipment bearing a rebuilt equipment listing mark from UL has been assessed for safety to support approval by the Authority Having Jurisdiction. Alternately a Field Evaluation can be conducted to verify that the rebuilt equipment complies with recognized safety standards. So, while you advance circular economy concepts, look for a UL Mark to confirm safety on reconditioned equipment – this indicates that there is continued safety compliance.

Reconditioned equipment certification program requirements

Equipment rebuilders must meet the following requirements to achieve reconditioned and rebuilt equipment certification:

  • The original UL Mark must be removed from the equipment being rebuilt or permanently defaced.
  • The equipment can only be modified using materials and procedures that are suitable for the application.
  • As with newly constructed products, production line testing may be required as applicable to confirm that the rebuilt equipment complies with specified safety requirements.
  • Rebuilt equipment complying with all program requirements are plainly and permanently marked with the name of the rebuilder and a UL Mark containing the term “Rebuilt,” Refurbished,” “Remanufactured,” “Reconditioned” or “Renovated” have been investigated by UL to the applicable Certification (Listing) requirements and comply with UL’s factory surveillance requirements for a qualified rebuilder. 
  • All rebuilt products shall be judged for compliance with the same requirements that would be applicable to a similar new product being submitted in the same category or in the equivalent non-Rebuilt category.

Once equipment rebuilders demonstrate compliance with all program requirements, they must obtain certification under the specific rebuilt equipment program. As with newly constructed products, equipment rebuilding facilities are covered under UL’s factory surveillance program to verify ongoing compliance with program requirements.

Product categories with reconditioned equipment programs

The guide information for each product category with a rebuilt certification program references the existence of such a program and identifies the applicable UL Mark for rebuilt products. We have over 130 product categories that cover reconditioned and rebuilt equipment. Use the chart below to determine if a product category includes a rebuilt program, and then visit Product iQ (productiq.ul.com) to search associated category control numbers (CCNs) to review the applicable guide information. UL will consider requests for additional product types based on technical feasibility and industry interest.

Reconditioned Equipment Chart
Product Category To review the guide information for a specific product category, visit Product iQ and search the following category control numbers (CCNs).

Air Conditioners, Room

ACOT, ACOT7

Alternators, Generators and Motors, Electric, Rebuilt, Marine

AROJ

Amusement and Gaming Machines

ASMU, ASMU7

Applied Current/Energy Equipment

MDAB, MDAB7

Applied Electromagnetic Radiation Equipment

MDAC, MDAC7

Audio and Video Equipment

AZUJ

Audio/Video Apparatus

AZSQ, AZSQ7

Audio/Video, Information and Communication Technology Equipment

AZOT, AZOT2, AZOT7, AZOT8

Audio/Video, Information and Communication Technology Equipment for Use in Hazardous Locations

AZOW, AZOW2, AZOW7, AZOW8

Auxiliary Devices for Use in Hazardous Locations

NOIV, NOIV7

Auxiliary Devices for Use in Zone Classified Hazardous Locations

NWFN, NWFN7

Auxiliary Devices Relating to Hazardous Locations

NRDZ, NRDZ7

Battery Chargers, Industrial

BBHZ, BBHZ7

Battery-Powered Portable Land Mobile Radio Equipment for Use in Hazardous Locations

BBRX, BBRX7

Beverage Coolers and Beverage Cooler-Dispensers

SFWY, SFWY7

Carbonators

CZKR, CZKR7

Cardio, Vascular and Pulmonary Equipment

MDAD, MDAD7

Cleaning Machines, Motor Operated

DMGK

Coin and Currency Changers and Actuators

DUCU, DUCU2, DUCU7, DUCU8

Commercial Cooking Appliances

KNGT

Commercial Refrigerators and Freezers

SGKW, SGKW7

Commercial Storage Tank and Booster Water Heaters

KSBZ, KSBZ2, KSBZ7, KSBZ8

Compressed Gas Regulators

YKFT

Compressors, Refrigerant, Open Type, Remanufactured

SLRG, SLRG7

Compressors, Vacuum Pumps and Pneumatic Paint Sprayers

QDGS, QDGS2, QDGS7, QDGS8

Connectors and Switches

AMQV

Control Units and Accessories, Household System Type

UTOU

Control, Monitoring and Auxiliary Equipment

EQXX, EQXX2

Controls, Primary Safety

MCCZ, MCCZ2

Data Processing Equipment, Electronic for Use in Hazardous Locations

ENWS, ENWS7

Dishwashers, Commercial

DMGR, DMGR7

Dishwashers, Household

DMIY, DMIY7

Dry-Chemical Extinguishers, Hand and Wheeled Certified to Canada

GBAR7

Electric Signs Certified for Energy Efficiency to California Code of Regulations

ENVS

Electric Vehicle Battery Packs

FFRW

Electric Vehicle Charging System Equipment – Component

FFTG2

Electric Vehicle Supply Equipment

FFWA, FFWA7

Electrostatic Air Cleaners, Fixed

AGGZ, AGGZ7

Electrostatic Air Cleaners, Portable

AGHC, AGHC7

Exhibition Display Units, Rebuilt

XNST

Fans, Electric – Component

GPWV2, GPWV8

Flammable Liquid Hose Nozzle Valves

ETAZ, ETAZ7

Flammable-Liquid Meters, Rebuilt

PLSF, PLSF2

Floor-finishing Machines

IMSR, IMSR7

Fluid-handling and -Moving Equipment – Component

IRGO2

Food-preparing Machines, Commercial

IPST, IPST7

Food-preparing Machines, Household

IPWZ, IPWZ7

General Medical Equipment

MDAF, MDAF7

Graphic Arts Equipment

KCQT

Heaters, Industrial and Laboratory

KQLR, KQLR7

Heaters, Specialty

KSOT, KSOT7

High-technology Components

AZOP2, AZOP8

Household Burglar Alarm System Units

NBSX

Household Cooking Appliances

KNUR, KNUR7

Household Freezers

SHMR, SHMR7

Household Refrigerators and Freezers

SHZZ, SHZZ7

Industrial Skids for Use in Zone Classified Hazardous Locations

SKDZ, SKDZ7

Industrial Skids for Use in Hazardous Locations

SKDS, SKDS7

Industrial Truck Accessories, Battery Powered – Component

YCFT2

Information Technology Equipment for Use in Hazardous Locations

NWHP, NWHP7

Information Technology Equipment for Use in Zone Classified Hazardous Locations

NWHC, NWHC7

Intrusion-detection Units

ANSR

Ion Generators, Portable

OEUA, OEUA7

Laboratory Electrical Equipment for Use in Health Care Applications

OGUI, OGUI7

Laboratory Equipment for Use in Hazardous Locations

OGNA, OGNA2, OGNA7, OGNA8

Laboratory Equipment for Use in Zone Classified Hazardous Locations

OGNM, OGNM7

Laboratory In Vitro Diagnostic Electrical Equipment

OGUR, OGUR7

Laboratory-use Electrical Equipment

OGTK, OGTK2, OGTK7

Laser Equipment

MDAH, MDAH7

Luminaires and Forming Shells

WBDT, WBDT7

Luminaires, Portable

QOWZ, QOWZ7

Measuring, Testing and Signal-generation Equipment

PICQ, PICQ7

Medical Equipment

PIDF, PIDF2, PIDF7, PIDF8

Medical Equipment Certified to IEC Publications

PIGR

Medical Equipment Certified to Specified Standards

PIKF

Microwave Cooking Appliances

KQSQ, KQSQ7

Motor-Compressors, Hermetic Refrigerant, Remanufactured

SLLG2, SLLG8

Motor Controllers, Mechanically Operated and Solid-state

NMFT, NMFT2

Motor Parts, Hermetic Refrigerant Compressor, Remanufactured

SLNU2

Motors and Generators, Rebuilt for Use in Hazardous Locations

PTKQ, PTKQ7

Motors for Appliance Applications - Component

PRGY2, PRGY8

Office Furnishing Lights

QAXB, QAXB7

Office Furnishings

QAWZ

Painting Equipment

QDIQ, QDIQ7

Parts Cleaners

QGDS, QGDS7

Patient-monitoring Equipment

MDAJ, MDAJ7

Photographic Equipment

QINT, QINT7

Photovoltaic Modules and Panels, Remanufactured

QIGZ, QIGZ7

Plumbing Accessories

QMTX

Police-station-connected Alarm Units – Component

APAW2

Portable Electric Tools

XJYW, XJYW7

Power Conversion Equipment

NMMS, NMMS2, NMMS7, NMMS8

Power Converters/Inverters and Power Converter/Inverter Systems

QPPY, QPPY2, QPPY7, QPPY8

Power Supplies Certified to International Publications

QQKV, QQKV2

Power Supplies for Measurement, Control and Laboratory Use – Component

QQHC2, QQHC8

Power Supplies for Use in Health Care Facilities

KFCG, KFCG7

Power Supplies for Use with Audio/Video, Information and Communication Technology Equipment

QQJQ, QQJQ2, QQJQ7, QQJQ8

Power Supplies for Use with Audio/Video, Information and Communication Technology Equipment for Use in Hazardous Locations

QQQG, QQQG2, QQQG7, QQQG8

Power Supplies, Data-processing Equipment, Electronic – Component

QQBK2, QQBK8

Power Supplies, Electrostatic Air-cleaning Equipment – Component

QQCH2, QQCH8

Power Supplies, General Purpose

QQFU, QQFU2, QQFU7, QQFU8

Power Supplies, Information Technology Equipment Including Electrical Business Equipment

QQGQ, QQGQ2, QQGQ7, QQGQ8

Power Supplies, Medical and Dental – Component

QQHM2, QQHM8

Power Supplies, Office Appliances and Business Equipment – Component

QQHX2

Power Supplies, Specialty

QQIJ, QQIJ2

Power Supplies, Telephone

QQJE, QQJE2, QQJE7, QQJE8

Power-operated Pumps

MEGR, MEGR2

Process Control Equipment for Use in Hazardous Locations

QUZW, QUZW7

Programmable Controllers

NRAQ

Programmable Controllers for Use in Hazardous Locations

NRAG, NRAG7

Programmable Controllers for Use in Zone Classified Hazardous Locations

NWGD

Pumpers, Fire Department

AZYFC

Pumps

WCSX

Pumps – Component

ERIV2

Pumps, Electrically Operated, Liquid

REUZ

Radio Devices for Use in Hazardous Locations

RMGR, RMGR7

Ranges, Household Electric

KRMX, KRMX7

Relays, Electromechanical Elementary for Use in Hazardous Locations

NRAP, NRAP7

Relays, Electromechanical Elementary for Use in Zone Classified Hazardous Locations

NWGH, NWGH7

Room Air Conditioners for Use in Hazardous Locations

AINU, AINU7

Servo and Stepper Motors – Component

PRHZ2, PRHZ8

Signs

UXYT, UXYT7

Signs, Changing Message

UYFS, UYFS7

Stationary Fuel Cell Power Systems

IRGZ, IRGZ2, IRGZ7, IRGZ8

Submersible Luminaires

IFEV, IFEV7

Telemetering Equipment for Use in Hazardous Locations

WYMV, WYMV7

Time-indicating and -Recording Appliances

XHNR

Tools, Portable Certified for Canada

XKFR7

Tools, Transportable and Special Purpose, Portable, Electric

XKFR

Ultrasound Equipment

MDAL, MDAL7

Uninterruptible Power Supplies for Use in Health Care Facilities

KFFG, KFFG2, KFFG7, KFFG8

Uninterruptible Power-supply Equipment

YEDU, YEDU2, YEDU7, YEDU8

Units, Refrigerating

SPYZ, SPYZ2, SPYZ7, SPYZ8

Vacuum Cleaning Machines and Blower Cleaners

DMLW, DMLW7

Vapor Recovery System Accessories, Flammable Liquid – Component

YUNT2

Vending Machines

YWXV, YWXV7

Vending Machines, Refrigerated

SQMX

Washing Machines

ZCTT, ZCTT7

     

 

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