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      <image:title><![CDATA[Draw electrical wiring diagrams in your browser]]></image:title>
      <image:caption><![CDATA[DesignedWire — browser electrical wiring diagram editor]]></image:caption>
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      <image:title><![CDATA[3-Way Switch Wiring Diagram]]></image:title>
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      <image:title><![CDATA[Smart Switch Neutral Wire]]></image:title>
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      <image:title><![CDATA[GFCI and AFCI Requirements]]></image:title>
      <image:caption><![CDATA[Complete room-by-room breakdown of GFCI (NEC 210.8) and AFCI (NEC 210.12) requirements per the 2023 NEC, the difference between them, and how dual-function breakers satisfy both.]]></image:caption>
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      <image:title><![CDATA[Voltage Drop Formula]]></image:title>
      <image:caption><![CDATA[The VD = (2×K×I×L)/CM formula fully explained. K = 12.9 sourced. NEC 3% recommendation. Worked examples for bedroom, workshop, and EV charger circuits. Wire sizing table.]]></image:caption>
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      <image:title><![CDATA[Box Fill Calculator — NEC 314.16]]></image:title>
      <image:caption><![CDATA[Complete guide to electrical box fill per NEC 314.16. Conductor counting rules, device yoke double allowance, equipment grounds, clamps, volume table by wire gauge, and worked examples.]]></image:caption>
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      <image:title><![CDATA[Conduit Fill Calculator — NEC Chapter 9]]></image:title>
      <image:caption><![CDATA[The 40%/31%/53% fill rules, NEC Tables 1, 4, and 5 explained, EMT vs IMC vs RMC vs PVC, mixed conductor calculations with worked examples.]]></image:caption>
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      <image:title><![CDATA[Box Fill Calculator — NEC 314.16 | DesignedWire]]></image:title>
      <image:caption><![CDATA[Free NEC 314.16 box fill calculator. Enter conductors, devices, clamps, and grounds — instant cubic-inch total with pass/fail against box capacity.]]></image:caption>
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      <image:title><![CDATA[Conduit Fill Calculator — NEC Chapter 9 | DesignedWire]]></image:title>
      <image:caption><![CDATA[Free NEC Chapter 9 conduit fill calculator. Select EMT, IMC, RMC, or PVC. Enter conductors — instant fill percentage with pass/fail for any trade size.]]></image:caption>
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      <image:title><![CDATA[Thermostat Wire Compatibility Checker | DesignedWire]]></image:title>
      <image:caption><![CDATA[Free thermostat wire compatibility checker. Select your HVAC wire colors — instantly see which thermostat terminals match and what smart thermostats are compatible.]]></image:caption>
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