Name: UL 1029 PDF - Engineering Standards Download
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UL 1029 – High-Intensity-Discharge Lamp Ballasts

Please note: All interim revisions for this edition available at time of your purchase will be included.

The requirements in UL 1029 cover indoor and outdoor ballasts, including starting circuits for the operation of high-intensity-discharge lamps, and associatedequipment, in accordance with the National Electrical Code, from an alternating-current power supply with nominal input ratings of 600 V rms or less.High-intensity-discharge lamps include mercury, metal halide, high-pressure sodium, and similar types. For convenience, although technically not HID lamps,low-pressure sodium lamps are included with the group.

The requirements for ballasts consisting of resistance only are excluded from this standard.

An open core and coil ballast is acceptable only for use when in a lighting fixture, sign, or other enclosure acceptable for its intended application.

A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, andthat involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements tomaintain the level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflictwith specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformancewith the methods employed for development, revision, and implementation of this standard.