<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>CR4 - Forum&#x3a; Electrical Engineering</title><link>https&#x3a;&#x2f;&#x2f;cr4.globalspec.com&#x2f;forum&#x2f;electrical-engineering</link><description><![CDATA[Sensors and switches, power generation and distribution, test and measurement, alternative and renewable energy sources, etc.]]></description><copyright>Copyright 2026</copyright><pubDate>Mon, 29 Jun 2026 11:06:40 EST</pubDate><generator>https&#x3a;&#x2f;&#x2f;cr4.globalspec.com</generator><item><title><![CDATA[HV Switchgear - Internal Earth Bar]]></title><link><![CDATA[https&#x3a;&#x2f;&#x2f;cr4.globalspec.com&#x2f;thread&#x2f;151579&#x2f;HV-Switchgear-Internal-Earth-Bar&#x3f;from_rss&#x3d;1]]></link><description><![CDATA[HV Switchgear &#x28;IEC 62271-1, 62271-200&#x29;&#x3a; The size of the internal earth bus &#x28;the bar running through the entire switchgear lineup&#x29; differs from the size indicated in the type test report. Is this acceptable&#x3f; Is the busbar size specified in the type test report applicable only to the main busbars and]]></description><pubDate>Mon, 29 Jun 2026 11&#x3a;06&#x3a;40 EST</pubDate><guid><![CDATA[https&#x3a;&#x2f;&#x2f;cr4.globalspec.com&#x2f;thread&#x2f;151579&#x2f;HV-Switchgear-Internal-Earth-Bar]]></guid><dc:creator>Anonymous Poster</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Converting Active Pulse Output to Passive]]></title><link><![CDATA[https&#x3a;&#x2f;&#x2f;cr4.globalspec.com&#x2f;thread&#x2f;151571&#x2f;Converting-Active-Pulse-Output-to-Passive&#x3f;from_rss&#x3d;1]]></link><description><![CDATA[I have an electromagnetic flowmeter that has an active pulse output per unit flow.&#x28;High Level&#x3d; 5-15vdc max 250 mA, low level &#x26;lt&#x3b;1vdc&#x29;. My chemical metering pump cannot accept an active output pulse, it needs the pulse to be generated by its own dc power supply.Is there an easy way to make this conv]]></description><pubDate>Tue, 23 Jun 2026 13&#x3a;44&#x3a;34 EST</pubDate><guid><![CDATA[https&#x3a;&#x2f;&#x2f;cr4.globalspec.com&#x2f;thread&#x2f;151571&#x2f;Converting-Active-Pulse-Output-to-Passive]]></guid><dc:creator>REH</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Software Required for SLC 5&#x2f;03 Allen Bradley PLC]]></title><link><![CDATA[https&#x3a;&#x2f;&#x2f;cr4.globalspec.com&#x2f;thread&#x2f;151568&#x2f;Software-Required-for-SLC-5-03-Allen-Bradley-PLC&#x3f;from_rss&#x3d;1]]></link><description><![CDATA[Hi everyone, I have an Allen-Bradley SLC 5&#x2f;03 PLC. Can anyone confirm the correct software needed&#x3f; If someone has experience with this PLC, please guide me. If anyone can help with obtaining the software, kindly let me know. Thanks.]]></description><pubDate>Mon, 22 Jun 2026 11&#x3a;16&#x3a;29 EST</pubDate><guid><![CDATA[https&#x3a;&#x2f;&#x2f;cr4.globalspec.com&#x2f;thread&#x2f;151568&#x2f;Software-Required-for-SLC-5-03-Allen-Bradley-PLC]]></guid><dc:creator>DE ENG</dc:creator><dc:subject>Electrical Engineering</dc:subject></item><item><title><![CDATA[Motorized MCCB]]></title><link><![CDATA[https&#x3a;&#x2f;&#x2f;cr4.globalspec.com&#x2f;thread&#x2f;151562&#x2f;Motorized-MCCB&#x3f;from_rss&#x3d;1]]></link><description><![CDATA[For a motorized MCCB used as an incomer&#x3a;&#xa;&#xa;a&#x29; The MCCB should be capable of rack-in&#x2f;rack-out operation with the door closed.&#xa;&#xa;b&#x29; The door should not be openable when the MCCB is in the ON position.&#xa;&#xa;One vendor states that for a motorized MCCB, requirement &#x28;a&#x29; cannot be achieved, but requirement &#x28;b&#x29; c]]></description><pubDate>Mon, 15 Jun 2026 12&#x3a;09&#x3a;42 EST</pubDate><guid><![CDATA[https&#x3a;&#x2f;&#x2f;cr4.globalspec.com&#x2f;thread&#x2f;151562&#x2f;Motorized-MCCB]]></guid><dc:creator>Selk</dc:creator><dc:subject>Electrical Engineering</dc:subject></item></channel></rss>