diff --git a/.gitignore b/.gitignore
index ecc34ee9..879a1f18 100755
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 *.od?#
 *.patch
 *.swp
+*.diff
diff --git a/mods/mesecons/mesecons/oldwires.lua b/mods/mesecons/mesecons/oldwires.lua
index b3b09e53..5874c69f 100755
--- a/mods/mesecons/mesecons/oldwires.lua
+++ b/mods/mesecons/mesecons/oldwires.lua
@@ -10,7 +10,7 @@ minetest.register_node("mesecons:mesecon_off", {
 		type = "fixed",
 		fixed = {-0.5, -0.5, -0.5, 0.5, -0.45, 0.5},
 	},
-	groups = {dig_immediate=3, mesecon=1, mesecon_conductor_craftable=1},
+	groups = {dig_immediate=2, mesecon=1, mesecon_conductor_craftable=1}, --MFF
     	description="Mesecons",
 	mesecons = {conductor={
 		state = mesecon.state.off,
@@ -28,7 +28,7 @@ minetest.register_node("mesecons:mesecon_on", {
 		type = "fixed",
 		fixed = {-0.5, -0.5, -0.5, 0.5, -0.45, 0.5},
 	},
-	groups = {dig_immediate=3, not_in_creaive_inventory=1, mesecon=1},
+	groups = {dig_immediate=2, not_in_creaive_inventory=1, mesecon=1}, --MFF
 	drop = "mesecons:mesecon_off 1",
 	light_source = default.LIGHT_MAX-11,
 	mesecons = {conductor={
diff --git a/mods/mesecons/mesecons/wires.lua b/mods/mesecons/mesecons/wires.lua
index 18ae8f5b..cccd467a 100755
--- a/mods/mesecons/mesecons/wires.lua
+++ b/mods/mesecons/mesecons/wires.lua
@@ -197,9 +197,9 @@ register_wires = function()
 			offstate = "mesecons:wire_"..nodeid.."_off"
 		}}
 
-		local groups_on = {dig_immediate = 3, mesecon_conductor_craftable = 1,
-			not_in_creative_inventory = 1}
-		local groups_off = {dig_immediate = 3, mesecon_conductor_craftable = 1}
+		local groups_on = {dig_immediate = 2, mesecon_conductor_craftable = 1,
+			not_in_creative_inventory = 1} --MFF
+		local groups_off = {dig_immediate = 2, mesecon_conductor_craftable = 1} --MFF
 		if nodeid ~= "00000000" then
 			groups_off["not_in_creative_inventory"] = 1
 		end
diff --git a/mods/mesecons/mesecons_extrawires/corner.lua b/mods/mesecons/mesecons_extrawires/corner.lua
index 1e298707..1cefc3ad 100755
--- a/mods/mesecons/mesecons_extrawires/corner.lua
+++ b/mods/mesecons/mesecons_extrawires/corner.lua
@@ -37,7 +37,7 @@ minetest.register_node("mesecons_extrawires:corner_on", {
 	sunlight_propagates = true,
 	selection_box = corner_selectionbox,
 	node_box = corner_nodebox,
-	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
+	groups = {dig_immediate = 2, not_in_creative_inventory = 1}, -- MFF
 	drop = "mesecons_extrawires:corner_off",
 	mesecons = {conductor =
 	{
@@ -64,7 +64,7 @@ minetest.register_node("mesecons_extrawires:corner_off", {
 	sunlight_propagates = true,
 	selection_box = corner_selectionbox,
 	node_box = corner_nodebox,
-	groups = {dig_immediate = 3},
+	groups = {dig_immediate = 2}, --MFF
 	mesecons = {conductor =
 	{
 		state = mesecon.state.off,
diff --git a/mods/mesecons/mesecons_extrawires/crossover.lua b/mods/mesecons/mesecons_extrawires/crossover.lua
index 4ecfc12b..a7806ec2 100755
--- a/mods/mesecons/mesecons_extrawires/crossover.lua
+++ b/mods/mesecons/mesecons_extrawires/crossover.lua
@@ -41,7 +41,7 @@ minetest.register_node("mesecons_extrawires:crossover_off", {
 			{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
 		},
 	},
-	groups = {dig_immediate=3, mesecon=3},
+	groups = {dig_immediate=2, mesecon=3}, --MFF
 	mesecons = {
 		conductor = {
 			states = crossover_states,
@@ -77,7 +77,7 @@ minetest.register_node("mesecons_extrawires:crossover_01", {
 			{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
 		},
 	},
-	groups = {dig_immediate=3, mesecon=3, not_in_creative_inventory=1},
+	groups = {dig_immediate=2, mesecon=3, not_in_creative_inventory=1}, --MFF
 	mesecons = {
 		conductor = {
 			states = crossover_states,
diff --git a/mods/mesecons/mesecons_extrawires/tjunction.lua b/mods/mesecons/mesecons_extrawires/tjunction.lua
index 1091e83f..51820eee 100755
--- a/mods/mesecons/mesecons_extrawires/tjunction.lua
+++ b/mods/mesecons/mesecons_extrawires/tjunction.lua
@@ -38,7 +38,7 @@ minetest.register_node("mesecons_extrawires:tjunction_on", {
 	sunlight_propagates = true,
 	selection_box = tjunction_selectionbox,
 	node_box = tjunction_nodebox,
-	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
+	groups = {dig_immediate = 2, not_in_creative_inventory = 1}, --MFF
 	drop = "mesecons_extrawires:tjunction_off",
 	mesecons = {conductor =
 	{
@@ -65,7 +65,7 @@ minetest.register_node("mesecons_extrawires:tjunction_off", {
 	sunlight_propagates = true,
 	selection_box = tjunction_selectionbox,
 	node_box = tjunction_nodebox,
-	groups = {dig_immediate = 3},
+	groups = {dig_immediate = 2}, --MFF
 	mesecons = {conductor =
 	{
 		state = mesecon.state.off,
diff --git a/mods/mesecons/mesecons_extrawires/vertical.lua b/mods/mesecons/mesecons_extrawires/vertical.lua
index cac2ae23..e86b3cf9 100755
--- a/mods/mesecons/mesecons_extrawires/vertical.lua
+++ b/mods/mesecons/mesecons_extrawires/vertical.lua
@@ -86,7 +86,7 @@ mesecon.register_node("mesecons_extrawires:vertical", {
 	after_dig_node = vertical_update
 },{
 	tiles = {"mesecons_wire_off.png"},
-	groups = {dig_immediate=3},
+	groups = {dig_immediate=2}, --MFF
 	vertical_conductor_state = "off",
 	mesecons = {conductor = {
 		state = mesecon.state.off,
@@ -95,7 +95,7 @@ mesecon.register_node("mesecons_extrawires:vertical", {
 	}}
 },{
 	tiles = {"mesecons_wire_on.png"},
-	groups = {dig_immediate=3, not_in_creative_inventory=1},
+	groups = {dig_immediate=2, not_in_creative_inventory=1}, --MFF
 	vertical_conductor_state = "on",
 	mesecons = {conductor = {
 		state = mesecon.state.on,
@@ -111,7 +111,7 @@ mesecon.register_node("mesecons_extrawires:vertical_top", {
 	walkable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
-	groups = {dig_immediate=3, not_in_creative_inventory=1},
+	groups = {dig_immediate=2, not_in_creative_inventory=1}, --MFF
 	selection_box = top_box,
 	node_box = top_box,
 	is_vertical_conductor = true,
@@ -143,7 +143,7 @@ mesecon.register_node("mesecons_extrawires:vertical_bottom", {
 	walkable = false,
 	paramtype = "light",
 	sunlight_propagates = true,
-	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
+	groups = {dig_immediate = 2, not_in_creative_inventory = 1}, --MFF
 	selection_box = bottom_box,
 	node_box = bottom_box,
 	is_vertical_conductor = true,
diff --git a/mods/mesecons/mesecons_insulated/init.lua b/mods/mesecons/mesecons_insulated/init.lua
index c6fc05ee..569c502f 100755
--- a/mods/mesecons/mesecons_insulated/init.lua
+++ b/mods/mesecons/mesecons_insulated/init.lua
@@ -30,7 +30,7 @@ minetest.register_node("mesecons_insulated:insulated_on", {
 		type = "fixed",
 		fixed = { -16/32-0.001, -17/32, -3/32, 16/32+0.001, -13/32, 3/32 }
 	},
-	groups = {dig_immediate = 3, not_in_creative_inventory = 1},
+	groups = {dig_immediate = 2, not_in_creative_inventory = 1}, --MFF
 	drop = "mesecons_insulated:insulated_off",
 	mesecons = {conductor = {
 		state = mesecon.state.on,
@@ -62,7 +62,7 @@ minetest.register_node("mesecons_insulated:insulated_off", {
 		type = "fixed",
 		fixed = { -16/32-0.001, -17/32, -3/32, 16/32+0.001, -13/32, 3/32 }
 	},
-	groups = {dig_immediate = 3},
+	groups = {dig_immediate = 2}, --MFF
 	mesecons = {conductor = {
 		state = mesecon.state.off,
 		onstate = "mesecons_insulated:insulated_on",