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Transmission towers must be grounded — or carefully connected to the earth — to safely dissipate energy from lightning strikes and voltage surges.

The crews working on electric vehicles disconnected the voltage cables to air bags and seat belts, sawed off the tops of the cars, and flipped the vehicles over to access the battery packs underneath.

The Huron Substation was built in 1906 in Cypress Park to convert the Los Angeles Railway Yellow Cars to a higher voltage.

Substations, operated by the National Grid, are designed to produce, convert, and distribute electricity at suitable voltage levels.

Substations are designed to produce, convert, and distribute electricity at suitable voltage levels.