diff --git a/code/__defines/wires.dm b/code/__defines/wires.dm
index 24b49f99396..cb858e0c5a5 100644
--- a/code/__defines/wires.dm
+++ b/code/__defines/wires.dm
@@ -83,3 +83,23 @@
 #define AI_WIRE_DISABLED 1
 #define AI_WIRE_HACKED 2
 #define AI_WIRE_DISABLED_HACKED -1
+
+/*################################
+	Wires for the assembly
+	/obj/item/device/assembly
+################################*/
+
+///Allows Pulsed(0) to call Activate()
+#define WIRE_RECEIVE_ASSEMBLY BITFLAG(1)
+
+///Allows Pulse(0) to act on the holder
+#define WIRE_PULSE_ASSEMBLY BITFLAG(2)
+
+/// Allows Pulse(0) to act on the holders special assembly
+#define WIRE_PULSE_SPECIAL BITFLAG(3)
+
+///Allows Pulsed(1) to call Activate()
+#define WIRE_RADIO_RECEIVE BITFLAG(4)
+
+///Allows Pulse(1) to send a radio message
+#define WIRE_RADIO_PULSE BITFLAG(5)
diff --git a/code/modules/assembly/assembly.dm b/code/modules/assembly/assembly.dm
index c8c41100e0b..a3a01c8d3e7 100644
--- a/code/modules/assembly/assembly.dm
+++ b/code/modules/assembly/assembly.dm
@@ -18,13 +18,20 @@
 	var/list/attached_overlays = null
 	var/obj/item/device/assembly_holder/holder = null
 	var/cooldown = 0 //To prevent spam
-	var/wires = WIRE_RECEIVE_ASSEMBLY | WIRE_PULSE_ASSEMBLY
 
-	var/const/WIRE_RECEIVE_ASSEMBLY = 1			//Allows Pulsed(0) to call Activate()
-	var/const/WIRE_PULSE_ASSEMBLY = 2				//Allows Pulse(0) to act on the holder
-	var/const/WIRE_PULSE_SPECIAL = 4		//Allows Pulse(0) to act on the holders special assembly
-	var/const/WIRE_RADIO_RECEIVE = 8		//Allows Pulsed(1) to call Activate()
-	var/const/WIRE_RADIO_PULSE = 16		//Allows Pulse(1) to send a radio message
+	/**
+	 * Wires that the assembly has installed
+	 *
+	 * Refer to `code\__defines\wires.dm` in the dedicated section for the supported wires, which _must_ be bitflags
+	 *
+	 * At the time of writing this, it supports:
+	 * * WIRE_RECEIVE_ASSEMBLY
+	 * * WIRE_PULSE_ASSEMBLY
+	 * * WIRE_PULSE_SPECIAL
+	 * * WIRE_RADIO_RECEIVE
+	 * * WIRE_RADIO_PULSE
+	 */
+	var/wires = WIRE_RECEIVE_ASSEMBLY | WIRE_PULSE_ASSEMBLY
 
 /obj/item/device/assembly/proc/holder_movement()
 	return
diff --git a/code/modules/assembly/igniter.dm b/code/modules/assembly/igniter.dm
index da5be3b67ba..9ffe39dbea4 100644
--- a/code/modules/assembly/igniter.dm
+++ b/code/modules/assembly/igniter.dm
@@ -8,7 +8,7 @@
 	matter = list(DEFAULT_WALL_MATERIAL = 500, MATERIAL_GLASS = 50)
 
 	secured = TRUE
-	wires = WIRE_RECEIVE
+	wires = WIRE_RECEIVE_ASSEMBLY
 
 /obj/item/device/assembly/igniter/activate()
 	. = ..()
diff --git a/html/changelogs/fluffyghost_fixdeviceassembly.yml b/html/changelogs/fluffyghost_fixdeviceassembly.yml
new file mode 100644
index 00000000000..f54c77b3e19
--- /dev/null
+++ b/html/changelogs/fluffyghost_fixdeviceassembly.yml
@@ -0,0 +1,42 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes:
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#   balance
+#   admin
+#   backend
+#   security
+#   refactor
+#################################
+
+# Your name.
+author: FluffyGhost
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes:
+  - bugfix: "Fixed device assemblies, which also fixes some chem grenades like the cleaner grenades, that were using wrong wires."
+  - backend: "Moved the wires from constant vars to defines, moved inside the wires define file, DMdoc'd them from the comments they had."