1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJanuary 8, 20101SUBJECT 1363AOUTLINE OF INVESTIGATIONFORSPECIAL PURPOSE RELOCATABLE POWER TAPSIssue Number: 3January 8, 2010Summary of TopicsThis is the third issue of the Outline of Investigatio
2、n for Special PurposeRelocatable Power Taps, which covers Special Purpose RelocatablePower Taps that are intended for use with medical equipment. Medicalequipment is typically intended for use in General Patient Care Area orCritical Patient Care Area.The UL Foreword is no longer located within the U
3、L Outline of Investigation. Forinformation concerning the use and application of the requirements contained inthis Outline of Investigation, the current version of the UL Foreword is located onULStandardsInfoNet at: http:/ 2010 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR
4、 FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJANUARY 8, 2010SUBJECT 1363A2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 General 42.1 Components .42.2 Units of measurement
5、.52.3 Undated references .53 Definitions 5CONSTRUCTION4 General 65 Enclosure 76 Protective Devices 7PERFORMANCE7 General 78 Limitation of Voltage and/or Energy .89 Protective Earthing, Functional Earthing and Potential Equalization .810 Leakage Current Test 811 Separation and Dielectric Voltage With
6、stand Test 8RATINGS12 Details 9MARKINGS13 Details .9INSTRUCTIONS14 Details .10JANUARY 8, 2010 SUBJECT 1363A 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements must comply with all the requirements in the
7、 Standard for Relocatable PowerTaps, UL 1363 except as described in this outline.1.2 These requirements cover Special Purpose Relocatable Power Taps (SPRPT), rated 250 V AC orless, intended for indoor use only, with medical equipment, where the medical equipment is intended tobe used in General Pati
8、ent Care Areas or Critical Patient Care Areas as defined by Article 517 of theNational Electrical Code for Health Care Facilities, to supply power to plug-connected components of amovable equipment assemblies that is rack-, table-, or pedestal-mounted. The shall be an integral part ofthe equipment a
9、ssembly, permanently attached. The sum of the ampacity of all appliances connected tothe receptacles of the SPRPT shall not exceed 80 percent of the ampacity of the flexible cord supplyingthe power to the SPRPT receptacles. The ampacity of the SPRPT flexible cord shall be in accordance withthe Natio
10、nal Electrical Code, NFPA 70. The electrical and mechanical integrity of the assembly shall beregularly verified and documented through an ongoing maintenance program. These SPRPT do notinclude devices that incorporate isolating or any other types of transformers.1.3 They consist of a NEMA type atta
11、chment plug and a length of flexible cord terminated in an enclosurein which are mounted two or more receptacle outlets. A Special Purpose Relocatable Power Tap shall beprovided with Hospital Grade attachment plugs and Hospital Grade outlets (receptacles) and may also beprovided with a detachable po
12、wer supply cord and inlet fitting. A Special Purpose Relocatable Power Tapmay be provided with supplementary overcurrent protection, switches, and indicator lights singly or in anycombination.1.4 These SPRPT are rated 250 V AC or less and 20 AC or less. SPRPT are intended for indoor useonly to suppl
13、y power by flexible cord.2 General2.1 Components2.1.1 Except as indicated in 2.1.2, a component of a product covered by this outline shall comply with therequired for that component.2.1.2 A component is not required to comply with a specific requirement that:a) Involves a feature or characteristic n
14、ot required in the application of the component in theproduct covered by this outline, orb) Is superseded by a requirement in this outline.2.1.3 A component shall be used in accordance with its rating established for the intended conditions ofuse.JANUARY 8, 2010SUBJECT 1363A4UL COPYRIGHTED MATERIAL
15、NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL2.1.4 Specific components are incomplete in construction features or restricted in performancecapabilities. Such components are intended for use only under limited conditions, such as certaintemperatures not exceeding s
16、pecified limits, and shall be used only under those specific conditions.2.1.5 Capacitors shall comply with the applicable requirements in Connections of Capacitors, subclause56.4 of the Standard for Medical Electrical Equipment, Part 1: General Requirements for Safety, UL60601-1.2.2 Units of measure
17、ment2.2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory orapproximate information.2.2.2 Unless otherwise indicated, all voltage and current values mentioned in this outline areroot-mean-square (rms).2.3 Undated references2.3.1 Any undated reference to a
18、 code or standard appearing in the requirements of this outline shall beinterpreted as referring to the latest edition of that code or standard.3 Definitions3.1 For the purpose of this outline, the following definitions apply. Where not defined by Subject 1363A,the following terms as well as the glo
19、ssary terms found in the Standard for Relocatable Power Taps, UL1363, and the Standard for Medical Electrical Equipment, Part 1: General Requirements for Safety, UL60601-1, apply to this outline.3.1.1 BUILT IN POWER SUPPLY A Special Purpose Relocatable Power Tap may employ a suitablemedical grade po
20、wer supply for a dedicated output isolated low voltage, DC power.3.2 SPECIAL PURPOSE RELOCATABLE POWER TAP (SPRPT) A Special Purpose RelocatablePower Tap consists of a NEMA type attachment plug and a length of flexible cord terminated in anenclosure in which two or more receptacle outlets are mounte
21、d. A SPRPT shall be provided withHospital Grade attachment plugs and Hospital Grade outlets (receptacles) and may also be providedwith a detachable power supply cord and inlet fittings. A SPRPT may be provided with supplementaryovercurrent protection, switches, and indicator lights singly or in any
22、combination.3.3 SUPPLY MAINS Permanently installed power source which may also be used to supplyelectrical apparatus that is outside the scope of this outline.JANUARY 8, 2010 SUBJECT 1363A 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONST
23、RUCTION4 General4.1 In addition to the applicable construction requirements in Standard for Relocatable Power Taps, UL1363, a SPRPT shall comply with the construction requirements in Sections46ofthis outline.4.2 A SPRPT employing a non-detachable power supply cord shall be rated 12 A or less.4.3 A S
24、PRPT may be provided with non-NEMA type receptacle outlets.4.4 A SPRPT is required to be provided with only Hospital Grade type plugs and receptacle outlets.4.5 A detachable power supply cord employed in a SPRTP is not required to have a Hospital Grade orNEMA type cord connector.4.6 A SPRPT shall co
25、mply with the applicable requirements in Mains Fuses and Over-Current Releases,subclause 57.6 of the Standard for Medical Electrical Equipment, Part 1: General Requirements forSafety, UL 60601-1.4.7 Where a Hospital Grade or Hospital Only mains plug exists for the particular electrical rating inques
26、tion, the mains plug of non-permanently installed equipment with a protective earth connection shallcomply with the requirements for a Hospital Grade attachment plug (mains plug) or the non-hazardouslocation locking type designated Hospital Only as specified in the Standard for Attachment Plugs andR
27、eceptacles, UL 498 and marked in accordance with 13.2 f) of this outline.4.8 A SPRPT that is rated greater than 12 A and employs a 15 A rated attachment plug and a SPRPTthat is rated greater than 16 A and employs a 20 A rated attachment plug is intended for dedicated lineuse only and is marked accor
28、dingly.4.9 A SPRPT that incorporates a built in suitable medical grade power supply is additionally subjected tothe referenced clauses in the Standard for Medical Electrical Equipment, Part 1: General Requirementsfor Safety, UL 60601-1 (and the limitations of the recognized component power supply).
29、This includespermanent connection to medical equipment, no addition of leakage current to the SPRPT and providedwith Double or Reinforced isolation, from mains to output and mains to earth.JANUARY 8, 2010SUBJECT 1363A6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WIT
30、HOUT PERMISSION FROM UL5 Enclosure5.1 The enclosure of a SPRPT shall be formed of metal and assembled so that it has the strength andrigidity required to resist the abuses to which it is subjected, without resulting in a risk of fire, electricshock, or injury to persons, due to total or partial coll
31、apse with resulting reduction of spacings, looseningor displacement of parts or other serious defects.Exception: The enclosure of a SPRPT may be formed of a polymeric material. A polymeric enclosureshall comply with the applicable requirements for nonmetallic enclosures in the Standard for Relocatab
32、lePower Taps, UL 1363.6 Protective Devices6.1 A SPRPT shall comply with the following applicable construction requirements in the Standard forMedical Electrical Equipment, Part 1: General Requirements for Safety, UL 60601-1:a) Protective Devices, subclause 56.5;b) Temperature and Overload Control De
33、vices, subclause 56.6;c) Isolation from the Supply Mains, subclause 57.1(a), (d), (f), (h), and (m);d) Mains Fuses and Over-Current Releases, subclause 57.6; ande) Creepage Distances and Air Clearances, subclause 57.10.PERFORMANCE7 General7.1 A SPRPT covered by the scope of this outline shall comply
34、 with all the applicable performancerequirements for a Relocatable Power Tap, in the Standard for Relocatable Power Taps, UL 1363 and asmodified by this outline.7.2 A SPRPT shall comply with the applicable performance requirements for Temperature and OverloadControl Devices, subclause 56.6(a), of th
35、e Standard for Medical Electrical Equipment, Part 1: GeneralRequirements for Safety, UL 60601-1.JANUARY 8, 2010 SUBJECT 1363A 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL8 Limitation of Voltage and/or Energy8.1 A SPRPT shall comply with t
36、he applicable performance requirements in Limitation of Voltage and/orEnergy, clause 15 of the Standard for Medical Electrical Equipment, Part 1: General Requirements forSafety, UL 60601-1.9 Protective Earthing, Functional Earthing and Potential Equalization9.1 A SPRPT shall comply with the applicab
37、le performance requirements in Protective Earthing,Functional Earthing and Potential Equalization, clause 18(f), of the Standard for Medical ElectricalEquipment, Part 1: General Requirements for Safety, UL 60601-1.10 Leakage Current Test10.1 The electrical insulation providing protection against ele
38、ctric shock shall be of such quality thatcurrents flowing through it are limited to the specified values.10.2 A SPRPT shall comply with the following applicable performance requirements in the Standard forMedical Electrical Equipment, Part 1: General Requirements for Safety, UL 60601-1:a) General Re
39、quirements, subclause 19.1(c) and (d);b) Single Fault Conditions, subclause 19.2(a); andc) Tests, subclause 19.4(a).11 Separation and Dielectric Voltage Withstand Test11.1 A SPRPT shall comply with the applicable performance requirements in Tests, subclause 20.4(a),(b), (f), (g), (h), (j), and (k),
40、of the Standard for Medical Electrical Equipment, Part 1: GeneralRequirements for Safety, UL 60601-1.11.2 The following tests shall be conducted per UL 60601-1 if not already conducted as part of priortesting to UL 1363.a) Mechanical Strength, clause 21(a) and (b);b) Excessive Temperatures, clause 4
41、2;c) Humidity, subclause 44.5;d) Mechanical Abuse, subclause 55DV.4; ande) Mold Stress Relief, subclause 55DV.4.JANUARY 8, 2010SUBJECT 1363A8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULRATINGS12 Details12.1 Each SPRPT shall be rated in max
42、imum AC current and AC voltage. The voltage rating shall not behigher than 250 V. The current rating shall not be higher than 20 A, the ampacity of the power-supply cord,nor the highest rating of the overcurrent protective device that is provided.MARKINGS13 Details13.1 A SPRPT covered by the scope o
43、f this outline shall be provided with all the markings required forRelocatable Power Tap by the Standard for Relocatable Power Taps, UL 1363 and as specified in 13.2 13.4.13.2 A SPRPT shall be marked with the following:a) Warning that an additional SPRPT or extension cord shall not be connected to t
44、he system;b) Warning not to exceed the maximum permitted load for any SPRPT used with the system;c) Warning that a SPRPT shall not be placed on the floor and shall be permanently attached tothe medical equipment by a means such that it is only removeable with the use of a tool;d) Warning not to conn
45、ect items which are not specified as part of the system;e) Symbol 14 from Table D1 in UL 60601-1 (exclamation point within a triangle) or the wordsAttention, consult accompanying documents shall be marked on the SPRPT;f) Cord connected equipment employing Hospital Only or Hospital Grade attachment p
46、lugsshall be provided with instructions to indicate that grounding reliability can only be achievedwhen the equipment is connected to an equivalent receptacle marked Hospital Only orHospital Grade. The necessary instructions shall be included on the equipment itself or on atag attached to the supply
47、 cord of the equipment.13.3 An SPRPT provided with a detachable power supply cord shall be marked with the following orequivalent wording: WARNING: Replacement of the power supply cord may result in an increase risk offire or electrical shock. Power supply cord may only be replaced by qualified serv
48、ice personnel. Thereplacement power supply cord shall comply with the Standard for Cord Sets and Power-Supply Cords,UL 817 and have the same ampacity and type of flexible cord. This marking shall be provided on the unitadjacent to the detachable power supply cord inlet.13.4 An SPRPT provided with su
49、pplementary overcurrent protection device shall be marked with thefollowing or equivalent wording: WARNING: The effects of the opening of a supplementary overcurrentprotection device, which may unintentionally disconnect lifesaving medical equipment from the main,needs to be considered in the end use. This marking shall be provided on each unite where visible afterinstallation.JANUARY 8, 2010 SUBJECT 1363A 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION
