diff --git a/guide.lua b/guide.lua
index ae2e725..f59a72d 100644
--- a/guide.lua
+++ b/guide.lua
@@ -66,6 +66,8 @@ local function createMachineInformationTable(fields,machineName,num)
 	local fieldLabels={
 		inputVoltage="Input voltage level",
 		outputVoltage="Output voltage level",
+		lowVoltage="Low voltage",
+		highVoltage="High voltage",
 		recipe="Recipe type",
 		powerCapacity="Power capacity",
 		opPower="Power per operation",
@@ -995,7 +997,7 @@ local pages={
 			[[
 				<big>||Tool Workshop||</big>
 				<left>
-					Tool Workshop can be used to repair various tools with cost of energy. The process requires quite a lot energy and is slow.
+					||Tool Workshop can be used to repair various tools with cost of energy. The process requires quite a lot energy and is slow.||
 				</left>
 			]],
 			createMachineInformationTable({
@@ -1021,6 +1023,88 @@ local pages={
 				<left>||Picture 1. Tool Workshop repairing <item name="{{elementKeyIronPickaxe}}" height="{{ITEM_HEIGHT}}"> <b>Iron Pickaxe</b>.||</left>
 			]]
 		}
+	},
+
+	{
+		name="transformers",
+		title=S("Transformers"),
+		icon="industrialtest:lv_transformer",
+		content={
+			[[
+				<big>||Transformers||</big>
+				<left>
+					||Transformer can be used to either bump up or lower the voltage between different voltage levels. Each transformer has one high voltage input/output side and five low voltage input/output sides. These are transformers in this mod:||
+				</left>
+				<mono>
+				</mono>
+				<left>
+					<item name="industrialtest:lv_transformer" height="{{ITEM_HEIGHT}}"> <b>||LV Transformer||</b>
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="lowVoltage",
+					value="LV"
+				},
+				{
+					name="highVoltage",
+					value="MV"
+				}
+			},S("LV Transformer")),
+			[[
+				<mono></mono>
+				<left>
+					<item name="industrialtest:mv_transformer" height="{{ITEM_HEIGHT}}"> <b>||MV Transformer||</b>
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="lowVoltage",
+					value="MV"
+				},
+				{
+					name="highVoltage",
+					value="HV"
+				}
+			},S("MV Transformer"),2),
+			[[
+				<mono></mono>
+				<left>
+					<item name="industrialtest:hv_transformer" height="{{ITEM_HEIGHT}}"> <b>||HV Transformer||</b>
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="lowVoltage",
+					value="HV"
+				},
+				{
+					name="highVoltage",
+					value="EV"
+				}
+			},S("HV Transformer"),3),
+			[[
+				<mono></mono>
+				<left>
+					<item name="industrialtest:ev_transformer" height="{{ITEM_HEIGHT}}"> <b>||EV Transformer||</b>
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="lowVoltage",
+					value="EV"
+				},
+				{
+					name="highVoltage",
+					value="IV"
+				}
+			},S("EV Transformer"),4),
+			[[
+				<mono></mono>
+				<img name="industrialtest_guide_transformer.png">
+				<left>||Picture 1. <item name="industrialtest:electric_furnace" height="{{ITEM_HEIGHT}}"> <b>Electric Furnace</b> connected to <item name="industrialtest:mv_solar_array" height="{{ITEM_HEIGHT}}"> <b>MV Solar Array</b> through <item name="industrialtest:lv_transformer" height="{{ITEM_HEIGHT}}"> <b>LV Transformer</b>.||</left>
+			]]
+		}
 	}
 }
 
diff --git a/textures/industrialtest_guide_transformer.png b/textures/industrialtest_guide_transformer.png
new file mode 100644
index 0000000..3b23b0f
Binary files /dev/null and b/textures/industrialtest_guide_transformer.png differ