We all insist on burying ordinary twin-and-earth to the shed, when it’s this one layer above the cable that decides whether a spade ever reaches a live conductor
Most people bury garden cables wrong—but it’s not the cable itself that saves lives, it’s a thin strip of yellow-and-black plastic laid above it. Properly positioned marker tape intercepts a spade before it reaches copper, turning a £1 strip of plastic into your garden’s most critical safety layer.