Standard: 1433 BULLETIN

UL STANDARD FOR SAFETY CONTROL CENTERS FOR CHANGING MESSAGE TYPE ELECTRIC SIGNS

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Scope:

These requirements cover control centers for changing message type electric signs for use in accordance with the National Electrical Code, NFPA 70. These control centers may be either cord connected or permanently installed.

The control systems covered by these requirements are for indoor or outdoor use, and are either provided with an enclosure or are for installation within the enclosure of a sign. These requirements also cover interconnecting cables other than low voltage control cables. Such cables may be provided with the control unit or with the sign.

These requirements do not cover complete electric signs, lamp banks, data input equipment, or any other component or system covered in individual requirements.

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

Organization: UL
Document Number: 1433 bulletin
Publish Date: 2011-05-18
Page Count: 2
Change Type: STCH
Available Languages: EN
DOD Adopted: NO
ANSI Approved: NO
Most Recent Revision: YES
Current Version: YES
Status: Inactive
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