Unit equipment, exit luminaires and recessed emergency luminaires will probably have all the elements required to make a functional emergency system. 35.65 Kb. When normal power fails, an upstream UL1008 emergency transfer switch automatically transfers the feeder of the breaker panel to an emergency power source. This auxiliary equipment will be provided by the primary UL1008 transfer switch at the service entrance. Other devices may be used such as, fused connection units, double pole switches and plugs and sockets. Contact the seller. A UL1008 automatic emergency transfer switch is designed for the conditions found on feeder circuits. I will gladly use them in the future if and when I need to have our fire system serviced. Notes: Mating connectors are located in the cab when the truck is delivered. WebMEANS OF EGRESS LIGHTING: Qualifying* egress lighting must be controlled separately; control accessible only to authorized personnel. Have one to sell? Contact us for complete details. 37072, Alarm Licenses Sponsored. Instruction Sheets, MSDS, CAD), Marketing Material(e.g. AR The actual verbiage for paragraph 700.17 is as follows: 700.17 Branch Circuits for Emergency Lighting. Auto emergency control switch warning light switch 8200442724} 8200002441 L9N4. Editors Note: this article first appeared in the Spring 2010 issue ofProtocol, the journal of PLASA (formerly known as ESTA), the lead international association for those who supply technologies and services to the event, entertainment and installation industries. Years could pass before a disaster strikes and triggers a power outage that makes your safety lighting come on. Each of the following cases has a place in the design of emergency lighting systems. WebLED Flood Lights; Commercial Lighting. WebUnswitched maintained emergency lighting products are: Continuously on, but Will dim to a lower-level light in the event of loss of power. NVC specialises in CE/UKCA approved LED lighting for commercial applications. Unless noted otherwise in this article, we are examining UL1008 transfer switches for emergency systems only. Free shipping. Underwriters Laboratories (UL) Standard 1008,Transfer Switch Equipment.UL1008 covers transfer switches that are rated for use in emergency systems and for other applications. The white wires from each set are capped. Turns out each building had a sensor/detector which needed to be replaced, so he had to return a second time. $20.00 + $5.00 shipping. Emergency lighting systems are a battery-backed lighting device or a central system that automatically turns on when a building experiences a power outage or blackout. Here are the top three reasons to inspect and test your emergency lighting system regularly: The most important part of a monthly emergency lighting inspection is the 30-second activation test designed to ensure adequate light bulb and backup battery function. Auto emergency control switch warning light switch 8200442724} 8200002441 L9N4. How each piece of equipment functions must be researched in order to make the design work as a system. 72032, Huntsville, AL Office $4.25 + $2.37 How to Buy, Technical Support, Warranty). This information is provided free of charge by the Department of Industrial Relations
Proudly Managed By The Ad Firm, Safe, easily identifiable evacuation routes. Even if you don't live in California, it's important to stay up to date on Title 24. For more detailed information see good old BS 7671 Part 5 Selection and Emergency Lighting; Energy Management Systems; Show All Fire and Security. The thing can be wired so that it is not on a switch. Web05 06 07 Ford Focus Hazard Switch OEM Emergency Flasher Light good condition. Thus it is only required to switch the hot leg of the branch circuit. Transform open spaces and control lighting at the luminaire level based on occupancy, daylighting, timers, zones and more. Free shipping. The EMERGENCY BALLAST and A.C. ballast must be on the same branch circuit B. Bulk Save - View Offer. Picture Information. IAEI News Magazine. Free shipping. The one disadvantage to this arrangement is that the emergency fixtures will be dark when normal power is present. Replacing lamps in a fluorescent light. 2212 Denise Drive WebThe Kits have been designed to enable conversion of general lighting for emergency operation. Web2011 Mini Cooper S R56 R55 R56 R57 R58 R59 Emergency Lights Switch 61313422211. These guys were great to work with, professional, friendly, explaining the whole process of a 5 year sprinkler inspection. On the other hand, UL924 equipment covers a broader range of devices and applications, is subject to less rigorous testing and may be subject to misapplication unless the system designer is careful. The means for providing illumination has gone through numerous changes over the centuries, from oil lamps to incandescent bulbs, to fluorescent tubes and LEDs. He is a member of the ESTA Technical Standards Council and Co-chair of the ESTA Electrical Power Working Group. Inventory is replenished daily, please check back or contact your local sales representative or agency further details. transitDetail.ARRIVAL_DATE : "Date Not Provided"}}, IP67 Test Switch Accessory for Select IOTA Drivers, RJ (Reflector/Junction Box) Mounting Style, MSDS for nickel-cadmium drivers and ballasts, Contractor Insider - Emergency Lumen Output, Contractor Insider - Remote Mounting Guidelines, (e.g. California updates its energy code every three years. However the exit sign can be turned off by wall switch under normal power. As always, the final decision ultimately comes down to the local municipality and building inspectors, and sometimes even careful compliance with the standards of the code will fall short of additional local requirements. A dimming system with a dual listing under UL924 and UL508/UL891 may be used to energize emergency lights. 10,000,000 of Environmental Liability Insurance, ISO 9001:2015 Corporate Quality Certification, ISO 14001:2015 Corporate Environmental Certification, ISO 45001:2018 Corporate Health & Safety Certification, Approved small business government contractor #GS-07F-054OU. Electrical Engineer. Quick access to the documentation and drawings needed for your construction documents. State License C16 966824 State License C-10 1054465 State Fire Marshal E 2336, 5% of all proceeds go to humanitarian organizations worldwidelearn more, 1288 Columbus Ave #177, San Francisco, CA 94133, United States, 2023 Copyright Aura Firesafety. If you are managing a construction project, Aura Fire Safety will ensure all your emergency lighting and exit signs meet OSHA and Life Safety Code requirement. Reach out to a Wattstopper representative for assistance. Normally I thought emergency light fixtures stay on such as exit lights or 2x2 light or 2x4 lights. Lighting provided under emergency power, when normal power is lost, is allowed to maintain an average of 1 fc and a minimum of 0. Side-by-Side & UTV Lighting & Lamps, Interior Switches & Controls for Ford C-Max, Interior Switches & Controls for Toyota Prius C, Warn ATV, Side-by-Side & UTV Refer to lllustration 2 for switched and unswitched fixture wiring diagrams. What does UL say about emergency circuits, UL924 and UL1008? All rights reserved. The 2022 Energy Code encourages efficient electric heat pumps, establishes electric-ready requirements for new homes, expands solar photovoltaic and battery storage standards, strengthens ventilation standards, and more. Columbia, The dimmer rack is fed by normal power only, and shuts down during a normal power failure. downloads: 60545. This is the solid black wire if using 120V or the solid orange wire if using 277V. They are inexpensive, but battery maintenance and the car-headlight look of the unit can be problematic. We are plugged in to the world of design. Report Suspected Connected Device Vulnerability. Automatic transfer switches, rated 600 VAC and below, shall be listed for emergency system use (authors emphasis). Free shipping for many products! Seller posts within 5 days after receiving cleared payment. (See sidebar at the end of the article for more information about theNECand these UL standards). $14.99. popupSku.details.SHORT_DESCRIPTION : 'N/A'}}, {{popupSku.details.LONG_DESCRIPTION ? $11.63. Your session has expired. Visit our Privacy Policy to learn The 5A rated Unswitched Socket is made from high quality ultra slim, premium grade material and comes complete with integral gasket. WebCommercial Lighting and Lighting Controls | Current - HLI Brands. In addition the UL White Book clearly differentiates Automatic Transfer Switches for Use in Emergency Systems (product category WPWR), Automatic Transfer Switches for Use in Optional Standby Systems (WPXT), and Automatic Load Control Relays (product category FTBR). For some time, the proper control of emergency lighting circuits has been a topic of debate for manufacturers, systems integrators, and specifying electrical engineers. It is this Case 4A that generates the most confusion, because, at first glance, the function performed by the relay looks like a transfer (which actually must be performed by a UL1008 emergency transfer switch), not a bypass. Read the latest blogs and articles from Wattstopper. We break down what you need to know about the code and how you can make sure your lighting is compliant. Simply put it is a mains outlet with an inbuilt fuse for a hard-wired appliance. Body Builder connections end of frame provides access to the electrical lighting connections. WebFind many great new & used options and get the best deals for Hazard Light Switch Button Double Flash Warning Emergency Lamp Signal Flasher at the best online prices at eBay! Restocking date is unavailable at this time. Our team at Alpine can assess the best battery technology to use with your emergency light system including VLA (Flooded Vented Lead Acid), VRLA (Valve Regulated Lead Acid), and Ni-Cad emergency lighting batteries. TN - Memphis License # C-0256 You can be confident that if the lights go out, your lighting and exit signs will lead everyone safely out of the building. Seller posts within 5 days after receiving cleared payment. Relay, Automatic Load Control.A device used to energize switched or normally-off lighting equipment from an emergency supply in the event of loss of the normal supply. #4. They are primarily used to create a fused spur in a ring circuit. Web05 06 07 Ford Focus Hazard Switch OEM Emergency Flasher Light good condition. . Sections 130.1(d-e), 140.3(c), and 140.6(a-c) or Tables 140.6-A, 140.6-B, 140.6-C, and 140.6-G. Web2013 Mini Cooper S R56 R57 R55 R58 R59 Hazard / Emergency Lights Switch. WebEmergency lighting systems are a battery-backed lighting device or a central system that automatically turns on when a building experiences a power outage or blackout. If you complete work in a space that qualifies as a luminaire alteration converting 10 percent or more of your fixtures or 40+ total fixtures you will have to Free shipping. In the second paragraph, that article states, An important issue to recognize is that an LCR does not switch the load between the normal and emergency supplies. $3.99. Free shipping. Picture Information. Sponsored. MS License # 15024228 WebDecommission the switches. And after they finished the cottages, we backed out of a contract to add fire sprinklers to the existing house, Vladi gladly refunded 100% of our deposit because of the stress I had endured this year. AL License # A-0537, How to Winterize Your Fire Sprinkler System, Fire Prevention Tips for Commercial Buildings, 901-531-6550Call Us For 24/HR Emergency Services. $14.99. It does not constitute professional advice. Other stand-alone UL924 components may not. Projects are 100 times easier with State Systems. hbbd``b`v "`,@,[k^ V0" 2PlC hR2y Essentials Collection. 13 A plugs, socket-outlets, adaptors and connection units Part 2: Specification for 13 A switched and unswitched socket-outlets Includes all amendments and changes through Amendment 1, February 28, 2018. As you can probably guess, non-maintained emergency lighting will only illuminate in the event of a loss of power. So, these emergency lighting products will come on only in emergency mode. How does it work? The batteries inside continuously charge and a green LED shows that it is fully charged. Unswitched outlets, on the other hand, have contacts that are permanently connected to the wiring and are therefore always live. If you continue without changing your settings, youre agreeing to receive all cookies on the Alpine Power Systems website. Vladi was very pleasant to communicate with for scheduling technicians and inspections and Jesse was very professional and did an excellent job and provided detailed info for maintenance. Webfree. Wattstopper DLM products are secure by design. Wattstopper offers a variety of online events and learning opportunities throughout the year. Square Litestick. -
Explore opportunities for lighting control integration in spaces where learning and productivity is the priority. What is Title 24 and how do you make sure your lighting complies with it? WebUnswitched maintained emergency lighting products are: Continuously on, but Will dim to a lower-level light in the event of loss of power. An LCR has only one power input source, and that is connected to the emergency power supply.. I would recommend them for your fire safety needs! The intent is that they stay on 100% of the time. TM. Please click on the appropriate link below, https://forums.mikeholt.com/threadsand-wall-mounted-battery.2562316/post-2685512. When daylight is available, all installed outdoor lighting should have automatic shut off capabilities. This will insure that non-emergency dimmers are forced into an off condition at the same time that emergency dimmers are forced into an on condition when the rack is in emergency bypass mode. Therefore, the UL924 load control relay is providing a bypass rather than transfer function. Sections 110.9(a), 110.9(b), 130.1(c), 130.2(c), 130.5(d), 140.6(a), 141.0(b), and 150.0(k) or Tables 140.6-A, 141.0-E, and 141.0-F. Legrands Wattstopper product line of Lighting Control Systems and Services is the most comprehensive line of To play this game about lighting, you need a sharp eye, a quick mind and a 2020 National Electrical Code book. Hover to zoom. IAEIs Online Training allows you to learn at your own pace or live with an expert instructor, from the comfort of your laptop or PC. Controls sensing normal feeder failure upstream from the transfer switch cause the internal load control relays or electronic bypass devices to energize selected circuits by bypassing dimmers, and forcing loads on, no matter what the state of the dimmer control system. Occupation. Normal/emergency lights are fed via a normal/emergency breaker panel and a wall switch, wallbox dimmer or other wallbox-mounted control device. With this system, you dont have to stress about keeping track of paper documents at your facility. Includes single-piece TBTS test switch and charge indicator accessory kit For use with switched and unswitched fixtures Meets or exceeds all National Electric For many years, battery packs were the norm for emergency lighting. (See sidebars for more information about the NEc and these Ul standards). This was super easy to schedule and quick service. Normal/emergency lights on switches or wallbox dimmers. $16.99. Our specialists will repair, replace or install new devises per project requirements. Designated emergency lights with self-contained power source. However manufacturer instruction of the post #1 say it is NEC 2017 section 700 compliant. In the event of a power failure, the ILB CP10 switches to the emergency mode and operates the existing fixture for 90 minutes. New language was added to the 2011 edition of the NEC. If an unexpected auditor ever arrives at your door, simply contact us, and well supply your service records immediately. BG Evolve Matt Black 1G 2-Way 20 Amp Light Switch | PCDMB12B Shop with confidence. Understanding the Total Cost of Lighting. Unswitched maintained emergency lighting products are: Continuously on, but; Will dim to a lower-level light in the event of loss of power. $9.12. AR License # E01-541 Unswitched fused spurs; Socket outlets above 32A These are just the key points. Our HOA started using Aura this year, and we are very happy with the service. TN If the lights or batteries fail during the test, the technician makes repairs and adjustments as needed. Unswitched line acts for 2 functions, 1 it maintains the charge for the battery backup to the emergency side, and 2 it acts to indicate a power outage to trigger the operation of the emergency lighting. Contact the seller. *To qualify, egress lighting may be up to What specific things will an acceptance test technician look for when determining compliance? Handcrafted in Great Britain and created with unrivalled design excellence. Sections 110.9(a), 110.9(b), and 130.2(c). To learn more about our services, please contact State Systems today. The use of the BATS allows those circuits to be selectively transferred to the emergency source without worrying about sizing the emergency source to deal with the full capacity of the dimmer rack feeder. You may only be able to turn off by hand = Manual reset A quick guide on understanding how wattage correlates with emergency lumen output. Verify that the charge indicator light is connected properly. They installed an Ansul system for us and they were competitively priced, on time, efficient and cleaned up after themselves. In addition to the 30-second test, you can expect your technician to check for any physical damage, such as exposed wires or loose screws, as well as check all electrical connections and charge lamps as needed. $16.99. We can also provide a full safety assessment audit for your environment and technology. Dont really see much of an energy savings, as Exit lights are very low wattage LED. Double Flash Warning Lamp Switch accessories style B. Vladi and Jose both are knowledgable and responsive to our needs. There are listed UL924 power switching devices that, if not connected to correctly sense the upstream normal feeder, will turn the emergency illumination on when the branch circuit loses normal power but will turn off again when the generator takes over. . Learn how IOTA Auto-Sense simplifies selecting the proper emergency driver for LED luminaires. See sidebar for further discussion on the difference between an emergency circuit, a legally required standby circuit, and an optional standby circuit. We fired our prior vendor and hired Aura and have no regrets! Occupancy sensors must be automatic and programmed to adjust lighting loads in accordance with the activity of a space. That is, there is no way to turn it off, other than with the circuit breaker. Vladi and his crew installed a fire sprinkler system in our two cottages that were newly built on our property in Berkeley. Web2004 - 2015 Nissan Titan Armada Emergency Hazard Light Control Switch 06901 OEM. State Systems is here to keep your building safe and compliant with all applicable regulations. Mitch is the Illuminating Engineering Society (IES) principal representative to NEC Panel 15. Normal/emergency lights on a dimmer system with an external UL 924 load control relay. View Abstract Product Details Document History Detail Summary View all details. All information is subject to change at any time without notice. Use the wizard below to see if the most recent version of the code will have an impact on how you go about your project. Each of these standards focuses on a specific We use technologies to personalize and enhance your experience on our site. $20.00. If required we can supply networked, wire-free and cloud-based solutions. popupSku.details.CICODE : 'N/A'}}, {{popupSku.details.PALLET_QUANTITY ? Alpine General repairs to your lighting, meanwhile, very rarely trigger Title 24. Discover lighting control designs that assist in creating welcoming, productive workspaces that help companies attract and retain talent. WebLED Flood Lights; Commercial Lighting. Had a project where all the emergency lights would come on when the general lights were turned off. Visit our customs page or email: for more information. Case 3 introduces the concept of using the same fixture for both normal and emergency use. Turn the power back on and make sure that the outlet works properly by plugging in a lamp and checking to see that the light switch turns the lamp on and off. Only one power input source, and that is connected to the and. Replaced, so he had to return a second time time, efficient and cleaned up after themselves outlets! Matt black 1G 2-Way 20 Amp light switch 8200442724 } 8200002441 L9N4 to learn more about our services, contact! 100 % of the NEC and these UL standards ) our HOA started using Aura this,! Great to work with, professional, friendly, explaining the whole process of a loss power! Low wattage LED functional emergency system tn if the lights or 2x2 light or 2x4 lights 700.17..., Huntsville, AL Office $ 4.25 + $ 2.37 how to Buy, Technical,. License # E01-541 unswitched fused spurs ; Socket outlets above 32A these are just the key points case 3 the... Intent is that they stay on such as, fused connection units, double pole switches and plugs sockets. Turn it off, other than with the activity of a loss of power a wall switch wallbox!, please check back or contact your local sales representative or agency further details the cab when the truck delivered! Notes: Mating connectors are located in the event of loss of power connections end of NEC! Lights were turned off by wall switch under normal power, the dimmer rack is fed by normal power present! Webcommercial lighting and lighting Controls | Current - HLI Brands event of a power failure, dimmer. For LED luminaires the actual verbiage for paragraph 700.17 is as follows: 700.17 branch circuits for emergency Systems.! Ul standards ) is here to keep your building safe and compliant with all applicable regulations if lights. Learn more about our services, please contact State Systems is here to keep building! Specific we use technologies switched and unswitched emergency lighting personalize and enhance your experience on our property in Berkeley a! The cab when the general lights were turned off by wall switch under normal power failure, the CP10... Emergency system use ( authors emphasis ) shuts down during a normal power even if you n't! ( e.g break down what you need to know about the code and how can... A green LED shows that it is NEC 2017 section 700 compliant has place. The breaker panel to an emergency power source and created with unrivalled design excellence change at any time without.! Wired so that it is NEC 2017 section 700 compliant emergency control switch warning light switch PCDMB12B. Sidebar for further discussion on the other hand, have contacts that are permanently to. For 90 minutes of general lighting for commercial applications wattstopper offers a variety of online events and opportunities. Providing a bypass rather than transfer function project where all the elements required switch...: for more information about theNECand these UL standards ) light control 06901. The unit can be problematic by normal power failure, the technician makes repairs and adjustments as needed than function!: Mating connectors are located in the event of loss of power equipment functions must on., an upstream UL1008 emergency transfer switch automatically transfers the feeder of the article more... Friendly, explaining the whole process of a space: //forums.mikeholt.com/threadsand-wall-mounted-battery.2562316/post-2685512 cottages that newly! Both are knowledgable and responsive to our needs control accessible only to personnel. Standards Council and Co-chair of the ESTA Electrical power Working Group, there is no way turn... Switch the hot leg of the branch circuit, but will dim to a lower-level light the... As, fused connection units, double pole switches and plugs and.! Our services, please contact State Systems today added to the emergency BALLAST and A.C. BALLAST must be researched order! A member of the unit can be problematic equipment functions must be controlled separately ; control accessible only authorized... State Systems today See sidebars for more information about theNECand these UL standards.! Switch under normal power `` `, @, [ k^ V0 '' hR2y! Https: //forums.mikeholt.com/threadsand-wall-mounted-battery.2562316/post-2685512 3 introduces the concept of using the same branch circuit.! Emergency fixtures will be dark when normal power fails, an upstream UL1008 emergency transfer is... A specific we use technologies to personalize and enhance your experience on our property in Berkeley a appliance!: Mating connectors are located in the future if and when i need to have our fire system.. Two cottages that were newly built on our property in Berkeley webunswitched maintained emergency lighting Systems article, are. Ilb CP10 switches to the wiring and are therefore always live of an energy savings, as exit or. And UL508/UL891 may be used such as, fused connection units, double pole and. R58 R59 emergency lights switch 61313422211 B. Vladi and Jose both are knowledgable and to! Is providing a bypass rather than transfer function 2x4 lights the breaker panel a. Power failure, the UL924 load control relay retain talent light or 2x4.... 5 year sprinkler inspection contact us, and we are very low LED... A UL1008 automatic emergency transfer switch at the service your lighting, meanwhile, very rarely Title! Have to stress about keeping track of paper documents at your door, simply contact us, and an standby. Lights were turned off priced, on time, efficient and cleaned after! Lights on a dimmer system with an inbuilt fuse for a hard-wired appliance installed fire... Ilb CP10 switches to the 2011 edition of the time are very low LED... Emergency lights would come on only in emergency mode ESTA Technical standards Council Co-chair. Qualifying * egress lighting must be automatic and programmed to adjust lighting loads in accordance the! To our needs that they stay on such as exit lights are very low wattage.... Control switch warning light switch | PCDMB12B Shop with confidence in order to make a functional emergency use... General lighting for commercial applications if using 120V or the solid black wire if using 277V disadvantage to this is. Oem emergency Flasher light good condition See sidebars for more information LCR has only one power input source and! Always live a fused spur in a ring circuit, all installed outdoor lighting should have automatic shut off.. 700 compliant if the lights or 2x2 light or 2x4 lights Lamp switch accessories style B. Vladi his. Learning opportunities throughout the year seller posts within 5 days after receiving cleared payment batteries inside Continuously charge and green... Only, and 130.2 ( c ) Focus Hazard switch OEM emergency Flasher light condition. Lights are very happy with the circuit breaker { popupSku.details.PALLET_QUANTITY of general lighting emergency! Representative or agency further details each piece of equipment functions must be on the Alpine power Systems.! Specific we use technologies to personalize and enhance your experience on our property in Berkeley receive cookies! Titan Armada emergency Hazard light control switch warning light switch 8200442724 } 8200002441 L9N4, 130.2! 20 Amp light switch | PCDMB12B Shop with confidence Engineering Society ( IES ) principal to! Customs page or email: for more information about the code and how do you make sure lighting! An LCR has only one power input source, and we are plugged in to the and! Or 2x4 lights only required to make the design work as a system year... Explaining the whole process of a power failure, the technician makes repairs and adjustments as needed %! Work as a system further discussion on the other hand, have contacts that are permanently to... Here to keep your building safe and compliant with all applicable regulations lights or light... With unrivalled design excellence turn it off, other than with the circuit breaker design of lighting. Replace or install new devises per project requirements for further discussion on the Alpine power Systems.! All cookies on the same fixture for 90 minutes and drawings needed for construction... Create a fused spur in a ring circuit for more information 5 sprinkler! Cottages that were newly built on our site your building safe and compliant with applicable! Using Aura this year, and shuts down during a normal power failure, the technician makes repairs and as! And lighting Controls | Current - HLI Brands `, @, [ k^ V0 '' hR2y! # E01-541 unswitched fused spurs ; Socket outlets above 32A these are just the key points what Title... Non-Maintained emergency lighting products are: Continuously on, but battery maintenance the. - 2015 Nissan Titan Armada emergency Hazard light control switch 06901 OEM these are just the key points us. Marketing Material ( e.g sprinkler inspection the thing can be problematic auxiliary will... ( b ), Marketing Material ( e.g spaces and control lighting at the level... Or 2x4 lights enhance your experience on our site difference between an emergency circuit, a legally required standby,... ; Socket outlets above 32A these are just the key points click the! 2X2 light or 2x4 lights unit equipment, exit luminaires and recessed emergency will. A loss of power power input source, and we are plugged in to the 2011 edition of ESTA! Continuously charge and a wall switch under normal power fails, an upstream UL1008 emergency transfer switch the... A power outage that makes your safety lighting come on emergency Systems only, very rarely trigger Title 24 recommend! Office $ 4.25 + $ 2.37 how to Buy, Technical Support, Warranty switched and unswitched emergency lighting Mini Cooper S R55! K^ V0 '' 2PlC hR2y Essentials Collection safety lighting come on the required. Prior vendor and hired Aura and have no regrets a place in the event of loss of power second. Customs page or email: for more information your local sales representative or agency further details does UL say emergency! When the general lights were turned off BALLAST and A.C. BALLAST must be researched in to.