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  • Title: Electrical safety Q&A. A reference guide for the clinical engineer.
    Journal: Health Devices; 2005 Feb; 34(2):57-75. PubMed ID: 15839515.
    Abstract:
    This guide, which ECRI developed to answer the electrical safety questions most frequently asked by member hospitals, features practical advice for addressing electrical safety concerns in the healthcare environment. Questions addressed include: STANDARDS AND APPROVALS: What electrical safety standards apply? How do NFPA 99 and IEC 60601-1 differ? What organizations approve medical devices? LEAKAGE CURRENT LIMITS AND TESTING: How are leakage current limits established? What limits apply to equipment used in the hospital? And how should the limits be applied in special cases, such as the use of PCs in the patient care area or equipment used in the clinical laboratory? ISOLATED POWER: What are its advantages and disadvantages, and is isolated power needed in the operating room? Other topics addressed include double insulation, ground-fault circuit interrupters (GFCIs), and requirements for medical devices used in the home. Supplementary articles discuss acceptable alternatives to UL listing, the use of Hospital Grade plugs, the limitations of leakage current testing of devices connected to isolated power systems, and the debate about whether to designate ORs as wet locations. Experienced clinical engineers should find this guide to be a handy reference, while those new to the field should find it to be a helpful educational resource.
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