diff --git a/features/electrification_signals.yaml b/features/electrification_signals.yaml
index 302941da..340b0445 100644
--- a/features/electrification_signals.yaml
+++ b/features/electrification_signals.yaml
@@ -771,3 +771,11 @@ electrification_signals:
         - { tag: 'railway:signal:electricity', values: ['PL-PKP:we9a', 'PL-PKP:we9b'] }
         - { tag: 'railway:signal:electricity:form', value: 'sign' }
         - { tag: 'railway:signal:electricity:type', value: 'power_on' }
+
+    - description: Tram isolation (ct-1)
+      country: PL
+      icon: { default: 'pl/ct-1' }
+      tags:
+        - { tag: 'railway:signal:electricity', value: 'PL-tram:ct-1' }
+        - { tag: 'railway:signal:electricity:form', value: 'sign' }
+        - { tag: 'railway:signal:electricity:type', value: 'isolation' }
diff --git a/symbols/pl/ct-1.svg b/symbols/pl/ct-1.svg
new file mode 100644
index 00000000..305d7847
--- /dev/null
+++ b/symbols/pl/ct-1.svg
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="16" height="16" viewBox="0 0 16 16">
+<path fill-rule="nonzero" fill="rgb(100%, 100%, 100%)" fill-opacity="1" stroke-width="9.240191" stroke-linecap="butt" stroke-linejoin="miter" stroke="rgb(0%, 0%, 0%)" stroke-opacity="1" stroke-miterlimit="4" d="M 245.518838 399.652734 L 245.518838 652.709449 L 498.575553 652.709449 L 498.575553 399.652734 Z M 245.518838 399.652734 " transform="matrix(0.0610041, 0, 0, 0.0610041, -14.696409, -24.09921)"/>
+<path fill-rule="nonzero" fill="rgb(83.137255%, 0%, 0%)" fill-opacity="1" d="M 0.542969 10.273438 L 15.457031 10.273438 L 15.457031 5.726562 L 0.542969 5.726562 Z M 0.542969 10.273438 "/>
+</svg>