To locate specific listing cards, scroll to the appropriate agency category and select the link located on the right side of this page.

Underwriters Laboratories Listings for Wheelock Model Numbers

 
   

Audible Signal Appliances

Models MT-12/24, MTWP-2475W, NH-12/24, MB-G6-12, MB-10-12, NS-121575W, SM-12/24, DSM-12/24, MIZ-24, AH-24, AH-24WP, MB-G6-24, MB-G10-24, NS-24MCW, AS-24MCW

Listings under this category include electrically operated bells, buzzers, horns and similar signal sounding appliances for fire protective signaling service. These appliances are marked with an audibility rating.

The basic standard used to investigate products in this category is UL 464, Audible Signal Appliances

ULSZ
   

Audible Signal Appliances, General Signal

Models MT-12/24, NH-12/24, NS-121575, MIZ-24, NS-24MCW

Listings under this category include electrically operated bells, buzzers, horns and similar signal sounding appliances intended for general signaling only. These devices may differ from audible signal appliances intended for fire protective signaling services in construction, and are not required to be marked with an audibility rating.

The basic standard used to investigate products in this category is UL 464, Audible Signal Appliances

UCST
   

Signaling Appliances and Equipment for the Hearing Impaired

Models MT-12/24, RSS-121575W, NS-121575, SM-12/24, DSM-12/24, RSS-24MCW, NS-24MCW, AS-24MCW

The products covered in this category include visual signaling appliances, vibrators or other sensory apparatus and associated equipment which have been investigated for fire protective signaling services to alert hearing impaired persons.

The basic standard used to investigate products in this category is UL 1971, Signaling Devices for the Hearing Impaired.

UUKC
   

Underwriters Laboratories Listings for DMP Model Numbers

 
 Boxes, Non-coded

Models 850D, -S, 850-WP

A non-coded fire alarm box is one having electrical contacts which are actuated to change their normal position when a part is operated manually so as to produce a non-coded signal.

The basic standard used to investigate products in this category is UL 38, Manually Actuated Signaling Boxes for Use With Fire Protection Signaling Systems.

  

UNIU
   
   
   

California State Fire Marshall Listings for Wheelock Model Numbers

 
Audible Devices
MB-G6-12, MB-G10-12, MB-G6-24, MB-G10-24

113


Audible Devices
MT-12/24

118


Fire Alarm Devices for the Hearing-Impaired
AS-24MCW, AH-24, AH-24WP

131


Misc. Devices/Control Unit Accessories
SM-12/24, DSM-12/24

132


Fire Alarm Devices for the Hearing Impaired
RSS-121575W, RSSP-2475W, RSS-24MCW

141


Fire Alarm Devices for the Hearing Impaired
NH-12/24, NS-121575W, NS-24MCW

142


Audible Devices
MIZ-24

150


Misc. Devices/Control Unit Accessories
RSSPWP-2475W

154


Audible Devices
MTWP-2475W

156


California State Fire Marshal Listings for GE Security Model Numbers


Photoelectric Smoke Detector

521B, 521BXT

277


California State Fire Marshal Listings for Hochiki Model Numbers


Photoelectric Smoke Detector

SLR-835B

107
 
California State Fire Marshall Listings for DMP Model Numbers  
   
 Boxes/Pull Stations
850S, 850D, 850WP		  

112