Adds ability to modify RCON tags on SMES units and breaker boxes.

- Use multitool to change (for SMES, screwdriver the SMES first to open cover)

code/modules/power/breaker_box.dm

@@ -77,6 +77,17 @@
 			update_locked = 0
 	busy = 0
 
+/obj/machinery/power/breakerbox/attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
+	if(istype(W, /obj/item/device/multitool))
+		var/newtag = input(user, "Enter new RCON tag. Use \"NO_TAG\" to disable RCON or leave empty to cancel.", "SMES RCON system") as text
+		if(newtag)
+			RCon_tag = newtag
+			user << "<span class='notice'>You changed the RCON tag to: [newtag]</span>"
+
+
+
+
+
 /obj/machinery/power/breakerbox/proc/set_state(var/state)
 	on = state
 	if(on)

code/modules/power/smes_construction.dm

@@ -233,8 +233,15 @@
 	// - No action was taken in parent function (terminal de/construction atm).
 	if (..())
 
+		// Multitool - change RCON tag
+		if(istype(W, /obj/item/device/multitool))
+			var/newtag = input(user, "Enter new RCON tag. Use \"NO_TAG\" to disable RCON or leave empty to cancel.", "SMES RCON system") as text
+			if(newtag)
+				RCon_tag = newtag
+				user << "<span class='notice'>You changed the RCON tag to: [newtag]</span>"
+			return
 		// Charged above 1% and safeties are enabled.
-		if((charge > (capacity/100)) && safeties_enabled && (!istype(W, /obj/item/device/multitool)))
+		if((charge > (capacity/100)) && safeties_enabled)
 			user << "<span class='warning'>Safety circuit of [src] is preventing modifications while it's charged!</span>"
 			return