Texas Comptroller of Public Accounts

Texas Comptroller of Public Accounts, Glenn Hegar

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Texas Specification No. 285-58-01A
Effective Date: September 8, 1989
Revised: January 6, 2009



Terminology used in this specification is intended to be generic in nature and consistent with meanings that have been defined through general use and/or accepted trade practices. Where variant meanings may exist, the applicable interpretation shall be determined by the Texas Procurement and Support Services (TPASS).

TPASS: Texas Procurement and Support Services (TPASS), a division of the Texas Comptroller of Public Accounts.

2. SCOPE: This specification establishes the minimum requirements for battery powered emergency lighting equipment for use in indoor locations. The equipment shall transfer operation automatically from normal supply circuit to an immediately available emergency supply circuit.


References to specifications, standards and test methods shall be to the issues in effect on the date of the solicitation. Copies of the referenced documents may be ordered from the issuing organizations at the addresses shown. The following documents form a part of this specification to the extent specified herein:


1 Batterymarch Park
Quincy, Massachusetts 02169-7471

  • a. National Electrical Code -- NFPA 70, Article 700: Emergency Systems.
  • b. Life Safety Code -- NFPA 101, Section 5-9: Emergency Lighting.


333 Pfingston Road
Northbrook, IL 60062

  • a. UL94V-0 -- Tests for Flammability of Plastic Materials for Parts in Devices and Appliances.
  • b. UL924 -- Emergency Lighting and Power Equipment (FTBR)

4. STYLE CLASSIFICATIONS: Lighting units shall be classified by style and type, as follows:

4.1. Style A: Industrial / Commercial

  • a. Type I: Emergency light, permanently mounted and wired.
  • b. Type II: Auxiliary light, movable, equipped with a flexible cord and plug connection.

4.2. Style B: Decorative

  • a. Type I: Surface mounted.
  • b. Type II: Semi-recessed

4.3. Style C: Fluorescent -- a self contained power pack which fits into a fluorescent fixture:

  • a. Type I: Wired.
  • b. Type II: Wireless.

5. REQUIREMENTS: Lighting equipment furnished under this specification shall meet or exceed the following minimum requirements:

5.1. General Requirements:

  • a. All lighting units shall be new, current standard products of an established manufacturer, except for such deviations as may be required by this specification. Units shall be free of imperfections or other defects that might affect appearance, normal life, or serviceability.
  • b. All units shall be UL listed for category 924 in accordance with Article 700 of the NEC.
  • c. Units shall be furnished complete with standard mounting hardware and accessories, ready for installation and operation.
  • d. In the event of failure of the normal supply power, emergency lighting shall be available immediately.
  • e. Emergency lighting shall maintain illumination along paths of egress to the minimum foot candle values as required by the Life Safety Code:
    • 1. not less than one (1) foot candle for a period of one and one-half (1-1/2) hours.

5.2. Design Requirements:

  • a. Style A and B: The assembly shall consist of a rechargeable battery, an automatic battery charger, an indicator light, a momentary test switch, a light source and a sealed relay.
  • b. Style C: The solid state fluorescent lighting ballast shall consist of an enclosure, relay, encapsulated inverted ballast, battery charger and battery. The unit shall be a completely self contained power pack for the operation of fluorescent lighting fixtures.

5.2.1. Material and Components: If a material or component is not specified, the item used shall meet the performance requirements stated.

5.2.2. Housing: The housing shall have a chip resistant finish. The enclosure shall be metallic or non-metallic at the option of the manufacturer.

  • a. Metallic: Metals shall be corrosion resistant. The sheet metal thickness shall be as shown in Table 1.
  • b. Nonmetallic: Any nonmetallic enclosure shall have mechanical strength and durability equivalent to heavy duty steel, and be impact and scratch resistant, corrosion proof, and UL94V flame resistant.
  • c. Safety: The housing shall protect persons from shock hazard, and the material shall not create or contribute to a hazardous condition.


Enclosure Material Minimum Thickness, inches Minimum Thickness, inches
1. Zinc Coated Steel 0.029 0.034
2. Uncoated Steel 0.026 0.032
3. Aluminum 0.036 0.05
1. Area where wiring system connected.
1. Prior to corrosion resistant treatment.

5.2.3. Door: The door shall provide full access to battery and charger (Style A and B).

5.2.4. Equipment: The unit shall supply the rated load for a period of at least one and one-half hours to 87.5% of rated battery voltage. The unit shall be rated 120/277 volts at 60 Hz.

5.2.5. Batteries: Batteries shall be 6 or 12 volt sealed pure lead, sealed nickel-cadmium or sealed lead-calcium of the starved electrolytic type. All shall be maintenance free.

  • a. The storage battery shall be of suitable rating and capacity to supply and maintain the total load of the lighting unit, for a period of at least one and one-half hours, at not less than 87.5% of nominal battery voltage. Automotive type batteries are not acceptable.
  • b. Batteries shall have a full unconditional warranty for one (1) year.

5.2.6. Battery Charger: The lighting unit shall have a 120/277 volt input, standard automatic two rate charger, which will maintain the battery in a full state of charge under normal power supply.

  • a. The charger shall be current limited, temperature compensated, short circuit proof, and reverse polarity protected.
  • b. After a power interruption and restoration, the charger shall recharge the battery within 24 hours to a fully charged state in compliance with UL924.
  • c. The charger shall, without manual intervention, commence recharging the battery immediately after power restoration and continue until the battery has reached a fully charged status and maintain that status.

5.2.7. Indicators: Visual and/or audible signal devices shall be provided, to indicate when the battery is carrying load, or when it is not functioning, or when a derangement of the emergency source has occurred.

5.2.8. Momentary Test Switch: A momentary test switch shall be mounted on the exterior front or side panel of the unit to simulate failure of the power supply.

5.2.9. Lighting Heads: Units shall meet the following requirements:

  • a. Style A (Industrial): Two lighting heads shall be mounted on the top or front of the unit and shall be adjustable in the horizontal and vertical planes.
  • Thermoplastic lighting heads shall be constructed of impact resistant, flame retarding material with a UL94V rating. The exterior housing of metal lamp head (s) shall be coated with electroplyte resistant paint or shall be chrome plated.
  • b. Style B (Decorative): Polymeric materials shall be impact resistant and flame retardant with UL94V rating.

5.2.10. Lamps: Units shall meet the following requirements:

  • a. Style A and B: Lamps shall be a minimum of 9 watts, at 6, 12, or 24 volts. High Intensity Tungsten (incandescent), Glass Sealed Beam, Sealed Beam Halogen, or Bi-Pin Halogen lamps shall be used.
  • b. Style C: Module shall operate with 28, 32, 34, 35, or 40 watt fluorescent lamps, as specified in the solicitation.
  • c. The type lamp used shall be compatible with the fixture; the total load must not exceed the one and one-half hour wattage capacity of the battery.

5.2.11. Relay: The relay shall be sealed, and shall automatically energize the lamps load upon failure of the AC power supply.

5.3. ELECTRICAL: Equipment shall be provided with 120 volt AC operation, unless specified otherwise in the solicitation.

  • a. Style A, Type I (Permanent): Equipment shall connect to the electric lighting system of a building by any of the non-temporary wiring methods referenced in Chapter 3 of the National Electric Code.
  • b. Style A, Type II (Movable): Equipment shall be provided with a three-wire flexible cable assembly, not exceeding 36 inches long, in lieu of the permanent type connection.
  • c. Style B (Decorative): Units shall be suitable for either ceiling or wall mounting with permanent conduit connections.
  • d. Style C (Fluorescent): Unit modules shall fit into a fluorescent light fixture or be installed on top of any fixture. It shall be capable of driving a two-foot to eight-foot lamp at reduced brilliance.

    Note: Building supply wiring for the units shall meet the requirements of Paragraph 700-9 of the National Electrical Code.

5.4. LAMP RATINGS: Lighting circuit rating shall not exceed 250 volts AC for tungsten lamps or 277 volts for AC for electric discharge lamps.

5.5. BATTERY DISCONNECT: A low voltage battery disconnect (LVD) circuit shall automatically shut down lamp load circuitry when the battery reaches 87.5% discharge to prevent damage to the battery from over discharge.

5.6. BROWNOUT: A close tolerance electronic circuit, to sense a reduction in line voltage, shall activate the unit when utility power drops below 80-85% of nominal voltage.

5.7. SWITCHES STYLE C (FLUORESCENT): Unites shall be provided with an unswitched lead for installation in switched fixtures.

  • a. Electronic Switch: A power sensor unit shall be provided to replace a standard wall switch when a wireless fluorescent unit is installed into a switched circuit.

5.8. OPTIONS: The lighting unit shall have one or more of the following options when so specified in the solicitation.

  • a. Voltmeter.
  • b. Ammeter.
  • c. Lamp Disconnect Switch.
  • d. 277 VAC or 240 VAC input or output voltage.
  • e. Mounting bracket or shelf (for Style A or B).
  • f. Installation kit (for Style B).
  • g. Maintenance


Unless otherwise specified in the solicitation, no pre-purchase samples shall be required. Samples tested shall be taken from regular orders.


Testing shall be done by or at the direction of, the CPA/TPASS and/or the receiving State agency. Tests shall be performed on products from shipments to ordering agencies. In the event products tested fail to meet or exceed all conditions and requirements of this specification, the cost of the samples used and the cost of testing shall be borne by the supplier

7.1. Tests: The product furnished under this specification shall be tested by the following methods or equally applicable procedures:

  • a. UL924 -- Emergency Lighting and Power Equipment.
  • b. Acceptance Test: The agency and/or CPA/TPASS representative shall witness a test on the complete system upon installation. Acceptance by the State shall occur after successful completion of the test in accordance with the following:
    • 1. Apply AC power for a minimum of 10 hours.
    • 2. Remove AC power and observe that all emergency fixtures remain lighted for a minimum of one and one-half (1-1/2) hours.
    • 3. Return AC power to installation.


Products furnished under this specification shall be inspected by, or at the direction of the CPA/TPASS and/or the ordering State agency either at the destination or place of manufacture.


  • a. The complete lighting unit shall be guaranteed for a minimum of one (1) year against defects in workmanship and materials.
  • b. The battery shall have a full unconditional warranty for one (1) year.
  • c. The warranty shall begin from installation of the unit at the agency.
  • d. During this warranty period, the vendor will replace or repair defective units at no additional expense to the customer.


10.1. Parts: A supply of repair parts shall be carried in stock for prompt delivery for the expected lifetime of the unit. When so specified in the solicitation, the respondent shall supply a list of companies or individuals, and their addresses, who stock repair parts and who can perform service on the units after the warranty period.

10.2. Maintenance: The vendor may propose a periodic maintenance check and test of the equipment, including batteries in accordance with the following:.

  • a. Preventive Maintenance: A recommended test procedure is as follows: (See Paragraph 31-1.3.7. of NFPA 101.)
  • b. Monthly Test:
    • a. Observe that all lamps are lit on AC power.
    • b. Remove AC power for a minimum of 30 seconds to assure lighting during an emergency. This procedure also exercises the batteries to assure maximum battery life.
  • c. Annual Test:
    • 1. Remove AC power and assure that emergency lamps are fully operational for a minimum of one and one-half hour duration.
    • 2. Return AC power and allow batteries to recharge for 12 hours minimum. Batteries have now been fully exercised.
  • d. Maintenance Records: Written records of testing should be kept by the agency. Follow this test program at intervals indicated to achieve maximum results.

    Note: Good practice dictates that all broken or burned out lamps in the emergency fixtures be replaced immediately.


A basic wiring diagram and parts list for all user serviceable components shall be provided. The diagram and list, if attached to the unit, shall be coated to prevent deterioration.


Packing for shipment shall be in accordance with the manufacturer's standard practice and in a manner readily accepted by common carriers engaged in interstate commerce and as specified in the solicitation. Within the shipping carton, units shall be packed in a manner designed to minimize damage during the shipment because of rough or improper handling.


13.1. Shipment Marking: Each shipping container or packing lists should be clearly marked with the following:

  • a. Name of contents
  • b. Quantity contained
  • c. Name and address of the manufacturer
  • d. Product/Catalog number
  • e. Name and address of ordering agency
  • f. Purchase order number

13.2. Unit Labeling: Each unit shall be labeled as required by UL924 and UL94V, and with the following information:

  • a. Manufacturer's name or trademark.
  • b. A distinctive catalog number or the equivalent.
  • c. Electrical ratings.
  • d. Output rating along with the associated time, in multiples of one-half (1/2) hour, but not less than one and one-half (1-1/2) hours.
  • e. Battery identification, including battery manufacturer's name or equivalent identification and type or catalog designation (may be on a separate label inside the battery compartment).
  • f. Exposed components, such as meters, indicator lights, and switches shall be identified as to their function.


All responses shall be accompanied by complete and illustrated description of the products being offered


In order for consideration to be given to the response on an item under this specification, the respondent must comply with the following:

15.1. Product Identification: The make, model number, name of the manufacturer, brand or trade name, etc., as applicable, of the item which the vendor proposes to furnish must be stated as part of the response.

15.2. Exceptions: Notwithstanding the above, any exception taken by the respondent to the requirements and conditions of this specification must be stated and described in detail as a part of the response. If no exceptions or deviations are identified in this manner, the items must be furnished exactly as described herein.

15.3. Proof: The Respondent shall bear the burden of proof of compliance with this specification.


The following may be used as a guide by the agency:

16.1. Location/Placement: Equipment should be installed in locations where emergency lighting is considered essential to life safety.

16.2. Circuits: The branch circuit feeding the unit shall be the same branch circuit as that serving the normal lighting in the area, and connected ahead of any local switches.

16.4. Load Transfer: For branch circuits that supply equipment, there shall be an emergency supply source to which the load shall be transferred automatically upon the failure of the normal supply.

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