RELIABLE PERFORMANCE VACUUM-PRESSURE IMPREGNATION IS USED TO RE-ENFORCE THE ELECTRICAL INSULATION OF THE BALLAST, PRECLUDE MOISTURE, INHIBIT NOISE, AND DISSIPATE HEAT;PRE-INSULATED VOLTAGE LEADS REDUCE THE RISK OF SHOCK AND SHRINK INSTALLATION TIME THE BASIC BALLAST IS THE OPEN CORE AND COIL WHICH IS MOST OFTEN USED AS A COMPONENT WITHIN A LIGHTING LUMINAIRE. THE CORE AND COIL ALSO FORMS THE NUCLEUS OF PHILIPS ADVANCE'S FIVE OTHER BALLAST CONFIGURATIONS. VACUUM-PRESSURE IMPREGNATED WITH A SILICA-FILLED POLYESTER VARNISH;ALL CORE AND COIL BALLASTS BELOW 600W UTILIZE A UL CLASS H (180C) INSULATION SYSTEM;C AND C BALLASTS 600W AND HIGHER UTILIZE A UL CLASS N (200C) INSULATION SYSTEM;PRE-INSULATED VOLTAGE LEADS;BALLAST KITS SUPPLIED WITH PRE-WIRED IGNITOR HIGH BAY RETAIL, MANUFACTURING, GYMNASIUMS, WAREHOUSES, PARKING STRUCTURES, OUTDOOR ADV*71A8271-001D 1-250W QUAD H
250W HPS MT BALLAST KIT
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