Electrical
Burning Barrel
Used as a light source or as a good source of heat.
Open flames and flickering lights will attract zombies.
Crafting
Craft at Workbench · makes 1
Forged Iron× 3
Wood× 10
Harvest drops
Iron× 10
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
When it collapses
Falling, it leaves 
Scrap Metal Pile (60% of the time) where it lands.