power line(n = noun.artifact) power cable - cable used to distribute electricity;
is a kind of cable, line, transmission line
is a part of grid, power grid, power system

aclinic line, acoustic delay line, acoustic power, actor's line, adonic line, agate line, agonic line, air line, air power, assembly line, atomic power, balance of power, bank line, bar line, battle line, bee line, black power, blood line, borrowing power, bottom line, boundary line, branch line, bread line, bus line, business line, candle power, center line, chalk line, checkout line, chorus line, chow line, city line, color line, colour line, command line, command line interface, conga line, contour line, county line, credit line, danger line, date line, delay line, demarcation line, digital subscriber line, direct line, district line, dividing line, dotted line, draw a line, draw the line, drawing power, drive line, drive line system, drop a line, drop line, electric power, electrical line of force, electrical power, electromagnetic delay line, equinoctial line, equity credit line, fall in line, family line, fault line, feeder line, fence line, field line, finish line, finishing line, firing line, fishing line, flight line, flower power, foul line, fourth power, front line, frown line, fuel line, gag line, gas line, geodesic line, get a line, goal line, great power, green line, gunter's line, hand line, hanoverian line, hard line, harpoon line, heart line, hold the line, hook line and sinker, horse power, hot line, in line, in line with, in power, international date line, isoclinic line, isogonal line, isogonic line, isometric line, keep in line, lancastrian line, land line, lateral line, lateral line organ, laugh line, lay on the line, lead line, ledger line, legal power, leger line, life line, line, line backer, line block, line coach, line double, line drawing, line drive, line duty, line engraving, line feed, line function, line item, line judge, line management, line of battle, line of business, line of control, line of credit, line of defence, line of defense, line of descent, line of destiny, line of duty, line of fate, line of fire, line of flight, line of force, line of gab, line of heart, line of inquiry, line of latitude, line of least resistance, line of life, line of longitude, line of march, line of merchandise, line of poetry, line of products, line of questioning, line of reasoning, line of saturn, line of scrimmage, line of sight, line of succession, line of thought, line of verse, line of vision, line of work, line officer, line one's pockets, line organisation, line organization, line personnel, line printer, line roulette, line score, line single, line spectrum, line squall, line storm, line triple, line up, line worker, load line, log line, love line, lubber line, lubber's line, magical power, maginot line, magnetic line of force, main line, major power, mason and dixon line, mason and dixon's line, mason-dixon line, melodic line, mensal line, mooring line, motive power, new line, nuclear power, old line, old line state, opening line, out of line, party line, people in power, personal credit line, personal line of credit, phone line, picket line, pipe line, plantagenet line, plimsoll line, plot line, plumb line, police power, poverty line, power, power brake, power breakfast, power broker, power cable, power company, power cord, power couple, power dive, power drill, power elite, power failure, power grid, power hammer, power hunger, power law, power loading, power loom, power meter, power module, power mower, power of appointment, power of attorney, power outage, power pack, power plant, power play, power point, power politics, power pylon, power reactor, power saw, power series, power service, power shovel, power station, power steering, power structure, power system, power takeoff, power tool, power train, power trip, power unit, power user, power walking, power worker, private line, product line, production line, program line, property line, pulling power, punch line, purchasing power, put on the line, rail line, railroad line, railway line, reception line, red line, reflective power, regression line, resolving power, rhumb line, rise to power, rivet line, rocket power, royal line, sash line, scrimmage line, sea power, second power, service line, sewer line, ship of the line, shoot a line, short line, side line, siegfried line, snap line, snow line, solar power, sonic delay line, sounding line, spectrum line, squall line, staff line, starting line, state line, static line, stay in line, staying power, steam line, steamship line, stepped line, stevens' power law, stock power, straight line, stream line, streetcar line, string line, subscriber line, supply line, switching power supply, tag line, telegraph line, telephone line, third power, ticket line, timber line, toe the line, toll line, top of the line, towing line, transit line, transmission line, trap line, trawl line, tree line, trend line, trip line, trolley line, trunk line, unemployment line, verse line, vortex line, waiting line, war power, water line, water power, wats line, white line, will power, wind power, world power, yard line