?u= Wed, 06 Nov 2024 03:10:50 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.1 ?u=/wp-content/uploads/2024/11/cropped-icon-150x150.png ?u= 32 32 ?u=/product/publishers/nema/nema-xr-161991-r1996-r2001/ Wed, 06 Nov 2024 03:10:50 +0000 Test Standard for the Determination of the System Contrast Ratio (SCR) and the System Veiling Glare Index (SVGI) of an X-Ray Image Intensifier (XRII) System

Published By	Publication Date	Number of Pages
NEMA	1991	17

]]> NEMA XR 16-1991 determines the SCR and the SVGI at the center of the image produced by an XRII system under a given set of test conditions. The measurement procedures described pertain to images formed by photofluorographic film, the cine film, video and direct-viewing system.

]]> ?u=/product/publishers/nema/nema-xr-242008/ Wed, 06 Nov 2024 03:10:50 +0000 Primary User Controls for Interventional Angiography X-Ray Equipment

Published By	Publication Date	Number of Pages
NEMA	2009-05-26	21

]]> Offers a unified approach to primary user control function as a means of ensuring that the method of control for interventional x-ray equipment is consistent for all manufacturers.

]]> ?u=/product/publishers/nema/nema-wc-732000-r2005-r2012/ Wed, 06 Nov 2024 03:10:49 +0000 Wire Selection Guidelines for Wires Rated at 200-450 Degrees C

Published By	Publication Date	Number of Pages
NEMA	2000	27

]]> NEMA WC 73-2000 contains guidelines for calculating amperages and selecting wires for temperatures from 200° to 450°C and for voltage ratings up to and including 1,000 V RMS. Ampacity charts, temperature correction factors and derating factors are provided along with extensive examples of calculations.

]]> ?u=/product/publishers/nema/nema-wc-721999-r2004/ Wed, 06 Nov 2024 03:10:49 +0000 Continuity of Coating Testing for Electrical Conductors

Published By	Publication Date	Number of Pages
NEMA	1999	12

]]> NEMA WC 72-1999 reviews problems that have occurred when polysulfide testing has been improperly imposed on tin-, silver-, and nickel-coated copper and copper-alloy stranded conductors or on tin-, silver-, or nickel-coated copper and copper-alloy single or stranded conductors after insulating.

]]> ?u=/product/publishers/nema/nema-xr-151991-r1996-r2001/ Wed, 06 Nov 2024 03:10:49 +0000 Test Standard for the Determination of the Visible Entrance Field Size of an X-Ray Image Intensifier (XRII) System

Published By	Publication Date	Number of Pages
NEMA	1991	11

]]> NEMA XR 15-1991 defines the test standard method for the determination of the visible entrance field size of an XRII system. Includes direct-viewing, video, photofluorographic film recording, and cine film recording and projection systems.

]]> ?u=/product/publishers/nema/nema-wc-621992-r1999-r2004/ Wed, 06 Nov 2024 03:10:48 +0000 Repeated Spark/Impulse Dielectric Testing

Published By	Publication Date	Number of Pages
NEMA	1992-01-01	12

]]> NEMA WC 62-1992 discusses the validity of repeat continuity proof testing of insulated wire.

]]> ?u=/product/publishers/nema/nema-wc-651995-r2003/ Wed, 06 Nov 2024 03:10:48 +0000 A Reasoned Approach to Solving Solderability Problems with Tin-Coated and Nickel-Coated Stranded Conductors in High Performance Wire and Cable Applications

Published By	Publication Date	Number of Pages
NEMA	1995-01-01	15

]]> NEMA WC 65-1995 contains a review of solderability problems with tin-coated and nickel-coated stranded conductors, as well as existing solderability standards. Discusses the root causes of these problems. Provides recommendations that may supply solutions for specific applications.

]]> ?u=/product/publishers/nema/nema-wc-561986-r1993-r2000-r2005-r2012/ Wed, 06 Nov 2024 03:10:47 +0000 3.0 kHz Insulation Continuity Proof Testing of Wire and Cable

Published By	Publication Date	Number of Pages
NEMA	1993-01-01	15

]]> NEMA WC 56-1986 covers a general procedure for continuous voltage proof testing of hook-up wire. Intended to apply primarily to the final inspection of wire for the purpose of finding and eliminating defects prior to shipment or use.

]]> ?u=/product/publishers/nema/nema-wc-522005/ Wed, 06 Nov 2024 03:10:47 +0000 High-Temperature and Electronic Insulated Wire, Impulse Dielectric Testing

Published By	Publication Date	Number of Pages
NEMA	2005	10

]]> Applies to the dielectric testing of insulation of unshielded single conductor wires. This procedure is not intended for use with multi-conductor cable.

]]> ?u=/product/publishers/nema/nema-wc-60-21994/ Wed, 06 Nov 2024 03:10:47 +0000 Product Identification and Bar-Coding Requirements for Building Wire Products

Published By	Publication Date	Number of Pages
NEMA	1994-01-01	90

]]> Sets forth product identification and bar coding techniques for standard copper and aluminum building wire and cable products. The publication also lists standard item identification numbers for building wire and cable products produced by multiple manufacturers on a repetitive basis.

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