Ключевые слова:
Electrical heating elements|Fasteners|Earthing|Heaters|Electric terminals|Rated power|Leakage paths|Torque|Marking|Dimensions|Clearance distances|Air heaters|Thermal insulation|Electrical connections|Testing conditions|Electrical measurement|Electric cables|Installation|Ducting|Safety devices|Electrical testing|Industrial|Sheathed cables|Electric heaters|Temperature|Maintenance|Electrical insulation|Warm-air heating|Electric wiring systems|Rated voltage