Siemens Relay Testing Procedure, Really the one and only way it sh

      Siemens Relay Testing Procedure, Really the one and only way it should be tested. This document is a tutorial for testing the Siemens 7UT61 Protection Relay using various tools. CT connected protection … Pre commissioning check of Protection Relays:-Commissioning engineers typically work underneath tough time constraints. … Test Procedure 7sj61 - Free download as PDF File (. Some options described and supported by this manual are no longer available. This 4-page document reports on site testing of an overcurrent relay (model 7SJ60XX) with instantaneous and IDMT elements, along with auto-reclose … This document is a tutorial for testing the Siemens 7SA86 Protection Relay using various tools and Ramp software. 5 %âãÏÓ 7 0 obj 779 endobj 6 0 obj /Length 7 0 R /Filter /FlateDecode >> stream xÚ ÿüÿÿÿþþþýýýüüüûûûúúúùùùøøø÷÷÷ Relay protection is crucial for ensuring the safety and reliability of electrical equipment and infrastructure in power systems. 06. 8kV substation. This document summarizes the results of a site test … Siemens 7SJ61 Relay TestingNo surprises here: Enjoy live TV without the hidden fees TEST REPORT PROCEDURE FOR DIFFERENTIAL PROTECTION SIPROTEC RELAY (7SD522) 1- Visual and Mechanical check: Tick Check Name Plate data according to drawing and specifications … •As well as a compilation of the most significant data for advanced users → Appendix A. Date Sheet 42 … Test Report Procedures For DIFF (7SD522) RelayTEST REPORT PROCEDURE FOR DIFFERENTIAL PROTECTION SIPROTEC RELAY (7SD522 ests may be performed to validate its functionality. & … It should be noted that the user must have satisfactory training in maintenance procedures a good knowledge of the equipment under test and also be aware of safety standards and regulations. Date Appr. The theoretical bases … We shall be talking about the getting started with relay testing, including. 8K views 2 years ago Xrio file export for Siemens relay and Testingmore Discover the types of protection relays, their applications, and essential testing procedures to ensure grid reliability and safety. Test the zone reach by setting impedance values in Freja to match relay settings and verifying operation. Careful consideration and ba kground information … This document summarizes the testing and commissioning of a Siemens 7SA522 distance protection relay. The number of controllable switchgear depends only on the number of available inputs and outputs. Read on to learn about best practices, challenges, and trends in protection testing. The setting … Siemens 7SD522 Protection Relay Testing Procedure #Siemens #testingProcedure #relayprotection #powergrid #7SD522 #DIGSI #SIGRA #Testing Siemens 7SJ6001 relay Navigation, Basic parameter settings CT ratio setting, Overcurrent & Earth fault setting/relay basic configuration), basic relay testing, View Fault record its time, alarm The document provides guidelines for reviewing and changing settings on Siemens 7SA522 numerical distance and DEF protection relays, including retrieving … A comprehensive testing program should simulate fault and normal operating conditions of the relay. If products and … Siemens Distance relays are applied as short-circuit protection in almost all transmission systems where overcurrent relays cannot be used for reasons of selectivity, fault detection … SIEMENS SIRIUS Overload Relay SIO I S12 Operating Instructions Read and understand these instructions before installing, operating, or maintaining the equipment. This application note describes the mode of operation of this function including setting parameters and the related engineering and … Rated peak withstand current Rated short-time withstand current Rated duration of short-circuit Rated short-circuit breaking current Rated short-circuit current D. The document provides instructions for testing the protection functions of a Siemens 7SJ61 relay. Key steps include verifying the relay's physical connections and … Distance protection function principal, Impedance View Analysis of server faults visually in the impedance view Analysis of several … Nazim Ghaffar - PMP® Projects Manager & Engineering, PMC for renewable Solar+Wind+BESS, Petrochemicals, Oil & Gas and Power Stations 6mo Siemens 7SD522 Protection … Numerical differential relays can calculate these effects and, therefore, compensate for their influence. siprotec 7SJ63 relays pdf … SIPROTEC 7SS85 busbar protection is a selective, safe and fast protection against busbar short circuits in a large variety of busbar configurations. 2025, V10. Should a conflict arise between the general information contained in this publication and the contents of drawings or … 7UT612 Procedure - Free download as Word Doc (. . Thanks to … 1d Siemens 7SD522 Protection Relay Testing Procedure 42 1 Comment Saqib Nawaz reposted this Mohamed Abdelrahman Senior Electrical & Instrumentation Commissioning and … The copyright and other intellectual property rights in this document, and in any model or article produced from it (and including any registered or unregistered design rights) are the property of … This manual describes the functions, operatio n, installation, and commissioning of the 7UT613/63x devices. It outlines the connection procedures, parameterization steps, and … Type TR relays are a range of multi-contact attracted armature relays designed to both IEC 255-5 and to BS142. 1 Introduction The goal of extensive test and diagnostic functions, which are available to the user at SIPROTEC 5 Compact together with DIGSI 5, is to shorten test and commissioning time. Siemens 7SD522 Protection Relay Testing Procedure #Siemens #testingProcedure #relayprotection #powergrid #7SD522 #DIGSI #SIGRA #Testing Reliably working protection relays are key in modern energy systems. It provides information on the transformer and relay … The relay provides easy-to-use local control and automation functions. Since type testing of a digital or numerical protection relay includes software and hardware testing, the type testing procedure is very complex and more challenging than a static or electromechanical relay. Note: … This document is a tutorial for testing the SIEMENS 7SA86 Protection Relay using various tools. 48 Prep. Run manual, automated & IEC 61850 compliant tests for protection scheme verification. Refernbce format Protection relay testing procedures: data management & compliance reporting. Manufacturers, wholesalers, and OEMs in China must … This conformity is proved by tests conducted by Siemens AG in accordance with the Council Directives in agreement with the generic standards EN61000-6-2 and EN 61000-6-4 for the EMC directive, and … Synchro Check Relay Test Repor - Free download as PDF File (. Covers operation, applications, settings, and installation. It outlines safety requirements and applicable … The protection relay testing procedure involves a systematic set of steps to verify the correct operation, calibration, and functionality of protective relays used in electrical power systems. Siemens 7SJ80 Siprotec compact relay Navigation, Basic parameter settings (CT-PT ratio setting, Overcurrent & Earth fault setting/relay basic configuration), This document discusses the various types of testing required for protection equipment, including: - Type tests to prove the relay meets specifications and … View and Download Siemens Siprotec 7SD5 user manual online. It summarizes the results of various tests conducted on the relay, including: 1) Negative … In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT … Siemens Relay testing procedure using FREJA 306 test kit explained in detail for secondary injection testing. The document provides testing procedures for the 7SA522 transmission line protection relay. 00 and higher, Equipment Manual, C53000-G5040-C010-R The document outlines a 15-step procedure for testing a busbar differential protection relay. The relay is a Siemens Motor Protection Relay … This manual is mainly intended for protection system engineers, commissioning engineers, persons entrusted with the setting, testing and maintenance of automation, selective protection and control … Namely, if testing is based on injecting only one sequence current component at the time on both CT inputs of the transformer differential protection, simple testing procedures can be derived SIOS Voltage transformers shall be tested up to the saturation voltage of the transformer at the frequency of the test. The test report shall not be reproduced except in full without the written approval of the test laboratory. How can we be certain that we are fully testing and … For many years, the UL 508 Standard for Industrial Control Equipment has been the U. Enter … HOW TO TEST SIEMENS 7SR5 RELAY IN TEST MODE & How to Reset LED #7SR5HOW TO TEST SIEMENS 7SR1003 RELAY IN TEST MODE & HOW TO CHECK FAULT STATUS #7SR10 #SIEMEN Relay Configuration via DIGSI 5 2. g. Acceptance testing, commissioning, and startup will include control power tests, current transformer … Isa Kit Operating Procedure - Free download as Powerpoint Presentation (. For electromechanical differential relays, interposing transformers … Objectives The course allows participants to familiarize themselves from a practical standpoint with the types of tests and used in protective relays testing of electrical systems. Deviations may be permitted … ST-1 Series Neutral Lights Out, Regular Release, F7 Regular Pickup Uhn effective value of the harmonic THn weighting facto Siemens AG File Power Generation PG P247 (Werk Erfurt) Doc. It includes: 1. Retrofitting of relays is the need of the hour because lack of proper testing techniques and misunderstanding of vital procedures may result … Trainings such as Principles, Application & Exercises, SIPROTEC 5, DIGSI 5, SIPROTEC 5 DigitalTwin, etc. pdf), Text File (. 06K subscribers Subscribe •As well as a compilation of the most significant data for advanced users → Appendix. All test … In this video, we take you through the complete process of end-to-end line differential testing for the Siemens 7SD61 relay. In this video, we take you through the complete process of end-to-end line differential testing for the Siemens 7SD61 relay. - No 09 Testing Procedures Rev. Chapter 4: Relay Testing Fundamentals Reasons for Relay Testing Relay Testing Equipment Relay Testing Methods Relay Test Procedures The SIPROTEC DigitalTwin is the real time digital replica of a physical SIPROTEC 5 device including algorithm, functionality, and communication interfaces. f fault relay by using omicron . docx), PDF File (. Manual para realizar pruebas de la … The handbook for protection engineers includes guidelines on protective circuitry, protective relay principles, and testing procedures for switchgear and relays. The 7SD52/53 relay provides full scheme differential protection and incorporates all functions usually required for the protection of power lines. Multi-Functional Protective Relay with Local Control. General information with regard to design, configuration, and operation of SIPROTEC 4 devices are set out in … While these features increase security, they can complicate testing and led to the implementation of “test mode,” the ability to simplify 87L testing while bypassing some of the relay … Pages:4 Preview Full text This is the test procedure for Siemens 7UT61 Relay (IEC61850 supported numerical relay). Abbas Power System Engineer @ Interloop Limited | Risk Analytics, Business … The CMC 356 is the universal six-phase testing solution for all generations and types of protection relays, where highest versatility, … Objective: Develop a comprehensive understanding of the SIPROTEC 5 7SS8 busbar protection hardware and configuration, including on-site operation, … Objective: Develop a comprehensive understanding of the SIPROTEC 5 7SS8 busbar protection hardware and configuration, including on-site operation, … 1) The transformer differential relay test report summarizes test results for a Siemens 7UT612 relay protecting a 10/13. Asif Raza 1y In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT … Technical manual for the 7PG21 Solkor Rf feeder protection system. The relay contains an 8-way internal terminal block. There are other ways to extract information from Siemens Siprotec 5 relays, but the displayed mode is practical for those who will commission a relay already parameterized and installed in a panel. to/2aOl1e8Dew It should be noted that the user must have satisfactory training in maintenance procedures a good knowledge of the equipment under test and also be aware of safety standards and regulations. 80 / Edition 08 This report must not be reproduced except in full without the written approval of the testing laboratory. I cover 3. Note that while thermal overload relays require a heater selection based on a relatively wide ampere range, the ESP200 overload relay has many clicks covering the same ampere range. It includes … This document outlines testing procedures for electrical relays, focusing on the visual inspection, cleaning, and electrical testing methods. Isolating sections of the … Proper use of Siemens products Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. This series of Current Differential relays are part of the comprehensive range of Argus-platform based numeric relays. c and directional e. System engineers, protection system engineers, commissioning engineers, persons entrusted with the setting, testing and maintenance of automation, selective protection and control equipment, and … The document details the inspection and testing of a Siemens 7SL86 Line Differential and Distance Protection Relay for Metro Wind Power Limited. Click to learn. It … This document provides a site report for installing and testing a Siemens 7SA522 distance protection relay at the AL-BAWADI 110/13. com/7SD87 The SIPROTEC 7SD87 diferential protection device is suitable for the selective protection of overhead lines and cables with … The main DC auxiliary supply to the protection scheme or relay can be wired to this circuit to prevent inadvertent tripping of the protection circuit after removal of the cover and during the test procedure. The terminals of a relay are numbered using an identification system kno With a high degree of expertise, decades of testing experience, and a powerful, wide-ranging testing portfolio, we ensure the product quality of power engineering equipment through type and … Line diferential protection relay SIPROTEC 7SD87 siemens. C. One of the common applications of GOOSE messages is to implement a ‘fast bus’ or ‘reverse interlocking’ bus protection scheme. No of sh. The document outlines the 7UM Testing Protocol for various protection relays, detailing the procedures for testing and measuring the operational parameters of each relay type. When opening the program, click on the “Project” option and choose the “New” option. It provides general descriptions of relay components and … The SIPROTEC 7UT86 transformer differential protection has been designed specifically for the protection of three-winding transformers (3 sides). Abstract and Figures Out-of-Step Relays Testing Procedure The paper presents out-of-step (OOS) protection device testing methodology under … The Siemens Sensitrip III circuit breaker may be equipped with integral ground fault protection. During the tests, the BO1 must be closed so that the relay checks the synchronism. It describes establishing communication with … Type test Transformer Differential Protection SIPROTEC 5 - V07. Learn how to … The document provides test procedures for a DIFF (7SD522) relay. This … This article explains how to test thermal overload relay tripping in three different ways, using a step by step procedure. doc), PDF File (. standard for control products such as contactors, self-protected combination motor controllers and overload … Siemens This paper presents some general procedures for the proper inspection, testing, and start-up of critical, but often overlooked, electrical items in substations and … View and Download Siemens Sirius system manual online. It should be noted that the user must have satisfactory training … The commissioning test report summarizes the testing of the outgoing feeder relay for MRPL – ONGC in Katipalla. Then double-click on the relay software icon. What is the perferred way to function test a (52Y} anti-pump relay on a 138KV Siemans SF6 breaker prior to putting this breaker in service?Siemans anti-pump relay function test In this demo project, the application test of the TIA Portal Test Suite is explained by means of examples, and the structure of the testing environment is also shown. %PDF-1. In addition to their proven instructional ability, our engineers have advanced degrees … Protection Engineer Library123 Comments / All Posts / By saeed Relay testing made easy! Explore our step-by-step guide to using a multimeter to every type of relay. 1 Documentation Review • SLD (Single Line Diagram) • … This functionality is the technological basis of the Protection Testing Library (PTL), a comprehensive test template library for a wide range of protection relays. The document describes test programs for … Sample 12083EN005 was tested with two terminal covers 3RT1966-4EA1 (E01; J2/120706) on the line side of the contactor and the load side of the overload relays and one terminal cover 3RT1966-4EA3 … This document provides instructions for testing the differential protection on a transformer using a MiCOM P643 relay. All courses offered through Siemens Power Academy are developed and taught by leading industry engineers. It … The Relay Testing Handbook is a practical resource written by a relay tester for relay testers; it is a comprehensive series of practical instructional manuals that provides the knowledge necessary to … 7sd522 Siemens - Free download as Word Doc (. My Cheap Multimeter in the video: http://amzn. The document is a call for views, comments, and … This document summarizes the test report for a SIPROTEC 7UT transformer differential relay. The relay protection training … Perform relay self-test procedure and external communications checks on digital/numerical relays [details] Test main current transformers … The Test Object already contains the Siemens 7SA510 7SA511 XRIO Converter, which includes setting parameters of the modelled protection relay. txt) or view presentation slides online. Only suitably qualified people should handle the instrument. It includes steps for visual inspection, wiring checks, bus continuity … 7SD522 Distance protection relay testing Procedure Power System Engineering Solution_ (PSES) 3. Siemens Generator Testing Procedures. Key … thread238-307149 I hope the attached excel file will help you to get the operating current values for transformer differential protection up to 4 winding and also give u the required … Improper use of the equipment can result in material and physical damage. doc / . This conformity is proved by tests conducted by Siemens AG in accordance with the directives in agreement with the generic standards EN 61000-6-2 and EN 61000-6-4 for EMC directive and … Here you will learn all thing about test 7SJ802 , 7SD522 and 7SJ805 Relay. It describes pickup and timing tests for overcurrent, directional, earth fault, and … 1) The document outlines a testing procedure for earth leakage relays (ELR) involving 9 steps: recording relay details, checking auxiliary supply voltage, … Secondary Injection Test Equipment Test Blocks / Plugs It is common practice to provide test blocks or test sockets in the relay circuits so … This document outlines the procedure for configuring ABB to Siemens relay communication using GOOSE protocol. 1 Create or Import Project • Connect to the relay (via Ethernet or USB) • Read and back up the existing device configuration • Import or create a new This document outlines the test procedure for checking the differential protection characteristics of a Siemens 7UT61 relay using an Omicron CMC256 or 356 test … This manual describes the protection, automation, control, and monitoring functions of the SIPROTEC 5 devices. a short-circuit history, loads it into the device and puts it into simulation mode. How to communicate … 06. Note: The test result relates only to the items tested. A wide range of models is available to meet the requirements of the electric supply industry. Easy Protection Relay Selector for Reyrolle and SIPROTEC This tool gives a quick guidance to find … There are other ways to extract information from Siemens Siprotec 5 relays, but the mode shown here is the most efficient way for those who will commission a relay already parameterized and installed in a … The document provides procedures for testing various line control and relay panels. Manufacturers, wholesalers, and OEMs in China must … Protection relay testing procedures are essential for verifying the safety and functionality of relays in electrical systems. It discusses: 1. pptx), PDF File (. For Buchholz relays with the code 23, 24 or 24B, the damper and hence the lower switching system have to be unlocked after the test by turning the test key anticlockwise. General information on the relay … Follow the procedure described in the appropriate Operating Recommendations to check the pilot Insulation resistance, the pilot loop resistance, the correctness of … The document provides procedures for calibrating and maintaining a Line Differential Relay Type RED670. These devices are identified by a “G” in the catalog number and the presence of the ground fault adjustments. Additionally a wire link must be fitted, … There are other ways to extract information from Siemens Siprotec 5 relays, but the way is practical for those who will commission a relay already parameterized and installed in a panel. • How to create Test Plans• How to setup the connections and hardware• How to cal The document provides a site test report for a differential protection relay installed at a new 132/11kV substation. 33 MVA power transformer with 33kV … The purpose of this test is to ensure that the Knee Point Voltage is correct and most important to ensure the protections and instrumentations are connected to the relevant cores. In its most basic form, a … Test Report issued under the responsibility of: Thomas Heinzelmann SIEMENS Aktiengesellschaft 10mo Siemens 7SD522 Protection Relay Testing Procedure 82 5 Comments Like Comment Zaiid A. sirius relays pdf manual download. txt) or read online for free. Disclaimer of liability Siemens shall not assume any liability, for any legal reason whatsoever, including, without limitation, liability for the usability, availability, completeness and freedom from defects of the … The R/Rf relay is primarily intended for use in the Rf mode which has the advantage of increased operating speed but can be simply changed to R mode for compatibility with pre-installed remote end … When not immediately required return the relay to its carton and store in a clean, dry place. siprotec 7SD5 relays pdf manual download. 00 and higher, Equipment Manual, C53000-G5040-C010-R 7sa522_test_procedure (3). If products and components from other manufacturers are used, these … MICOM P543 Test procedures - Free download as Word Doc (. It … The document outlines a test procedure for a Transformer Differential Protection Relay (87T), detailing steps for checking measurements, pickup/drop-off … The document provides instructions for testing the Areva 632 differential relay. Reyrolle 7XG22 test blocks offer versatile CT shorting solutions with 8-14 way configurations for horizontal and vertical mounting applications. It has high sensitivity to ground faults near the neutral point. The tests cover distance protection, … The document provides a 7-step procedure for testing the functions of a Siemens 7SA522 relay: 1. Test Report Procedures For DIFF (7SD522) Relay TEST REPORT PROCEDURE FOR DIFFERENTIAL PROTECTION SIPROTEC RELAY (7SD522) … Meanwhile, testing and commissioning practices largely still focus on individual relays, not the protective relaying system. It describes setting up the test in the PowerTest software module, including: 1. Reyrolle catalog The Reyrolle catalog describes the Reyrolle Reyrolle devices and the system features. Pre-Testing Preparation 1. This guide provides detailed procedures for the commissioning and maintenance of Siemens relays, emphasizing safety requirements and the necessary test … Designators for information, which may be output by the relay or required from other devices or from the switch gear, are marked in a monospace type style in quotation marks. 4 wires marked 1-4 must be moved from 4 terminals marked ‘Solkor Rf’ to 4 adjacent terminals marked ‘Solkor R’. ppt / . S. The SIPROTEC 7SD82/86/87 line differential protection have been designed particularly for the selective protection of overhead lines and cables with single … In this video I explain how to test a relay using a multi-meter and a square battery. It includes details of the mechanical and electrical … Siemens Energy, Protection Relay Testing Procedure with DIGSI 5 (SIPROTEC 5 Series) 📋 1. It provides test details for current measurement, stability injection, instability … Protection system engineers, commissioning engineers, persons entrusted with the setting, testing and main-tenance of automation, selective protection and control equipment, and operational crew in … ANSI 24 – Overexcitation protection This test procedure shows how to test a transformer relay with OMICRON Quick CMC module Directional Overcurrent: … Siemens reserves the right to make changes at any time without notice or obligations. It outlines the connection procedures, communication setup, … Easy Protection Relay Selector for Reyrolle and SIPROTEC This tool gives a quick guidance to find a protection relay of SIPROTEC 5, SIPROTEC 4, SIPROTEC Compact, Reyrolle which would fit your … The Relay Testing Handbook is a practical resource written by a relay tester for relay testers; it is a comprehensive series of practical instructional manuals that … Can you give me an idea, how to test SIEMENS 7sj622 directional o. Numerical differential relays can calculate these effects and, therefore, compensate for their influence. … The document outlines the testing procedure for the SIPROTEC 7SA522 distance relay at the PGCIL Purnea site, detailing communication setup using DIGSI … The protection relay testing procedure involves a systematic set of steps to verify the correct operation, calibration, and functionality of protective relays used in electrical power systems. In particular, one will find: • Information regarding the configuration of the device and … This guide describes the TeSys™ T LTMR motor management controller and LTME expansion module. In this course we will talk about different types of protection relays We will start from Simple until we reach Advanced. It outlines the connection procedures, … The document outlines inspection and test procedures for medium voltage switchgear. It details steps for adding distance operate signals, exporting files, and modifying … View and Download Siemens Siprotec 7SJ63 instruction manual online. 4 and 5 pin relays and all you need is a 12v source, a multimeter and a test Having problems testing modern line distance impedance relays? Do your tests keep failing with no explanation? Find out why with this post! Testing Directional Overcurrent Relays In the previous post about Directional Overcurrent relay (67) testing (Finding the Direction in Directional Overcurrent … Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. This document provides procedures for testing the differential relay settings on a P643 transformer protection relay. With the test sequencer in DIGSI 5, up to six test steps can be … First connect a USB cable from the notebook with the relay. For electromechanical differential relays, interposing transformers have to be used instead. Line Differential Protection with Distance Protection. … Here is a video on how you can test a Relay with or without a diagram. This document is a tutorial for testing the Siemens 7UT86 Protection Relay, specifically focusing … 7sd522 Siemens Test Procedures [jlk9k98gk045]. Learn about … Protection relay testing part 1, ABB, SIEMENS relays,Differential relay test basic,Omicron setting, Testing siemens 7SD relays, testing of transformer protec The document details test results from testing a transformer protection relay. Omicron CMC256 or 356 Test Equipment or Any Equivalent To Be Used. freja or any Numerical testing … How to Test Slope of 7SD522 87L Protection _2 - Free download as PDF File (. Learn how to set up the test, co This document provides test procedures for performing various functionality tests on a P441 relay using an Omicron test set. Relays Makes Test Procedure - Free download as PDF File (. It describes 6 sections of tests: 1) visual and mechanical checks, 2) electrical checks, 3) … With DIGSI 5, the tester creates a test sequence, e. This … In the “Test Settings” tab, the correct direction of the voltage generation channels and the stop interface must be done. pdf - Free download as PDF File (. Subscribed 32 1. Testing Siemens 7UT86 Relay-1 - Free download as PDF File (. General information with regard to design, configuration, and operation of SIPROTEC 4 devices are set out in … H 02: How to test differential function in SIPROTEC 7UT6, No combined characteristic feature, Automate testing by creating SIEMENS 7UT … Although Siemens AG has made best efforts to keep the document as precise and up-to-date as possible, Siemens AG shall not assume any liability for defects and damage which result through use … This document provides a test report for a generator protection relay. It describes how to set up the test connections between the … The most reliable solution for any application Compared to electro mechanical contactors, our SIRIUS 3RF2 solid-state switching devices stand out due to their considerably longer service life. 30(/ 80 /!9/:;! Here is how you test a car relay the correct way. 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