TFM 13 Questions and Answers Latest Update Graded A+

TFM 13 Questions and Answers Latest Update Graded A+ What is the purpose of fire warning equipment? To provide a reliable means of notifying occupants of the presence of fire and of the need to escape. What are the 3 basic requirements for all devices? 1. They must be approved and listed for the purposes for which they are intended 2. All devices will be installed according to manufacturers recommendations 3. The required minimum and location of detectors shall be satisfied. What is the emergency evacuation signal that shall be used? ANSI S3.41, or American National Standard Emergency Evacuation Signal Can the emergency evacuation signal be used for other devices? Yes, so long as those devices are used to indicate the need for evacuation When can fire warning equipment incorporate voice notification? When the voice message is completely contained within the 1.5 second pause of the emergency evacuation signal. When the voice message is first preceded by a minimum of 8 cycles of the emergency evacuation signal When the voice message interrupts the emergency evacuation signal for no longer than 10 seconds, and is followed by 2 cycles of the emergency evacuation signal. Whose responsibility is it to inform a technician of occupants with hearing disabilities? The hearing impaired party In what 6 places must detectors be installed to meet the requirements? 1. In all sleeping and guest rooms 2. Outside of all sleeping rooms, within 21ft of the door 3. On every level, including basements 4. On every level of a residential board and care occupancy, including basements 5. In the living areas of a guest suite 6. In the living areas of a residential board and care occupancy All points on a ceiling shall have a smoke alarm within a distance of _________ travel distance or shall have the equivalent of ___________ smoke alarm per _________ meter squared • 9.1m (30ft) • One • 46.5m2 (500ft2) In what 4 ways are smoke and heat alarms permitted to be powered? 1. Commercial light and power supply capable of operating the device for at least 24 hours in normal condition and 4 minutes of alarm 2. A noncommercial AC source with secondary power source capable of operating the device for at least 7 days in the normal condition and 4 minutes of alarm. 3. A non rechargeable, non replaceable primary battery capable of operating the device for at least 10 years and 4 minutes of alarm, followed by 7 days of trouble. 4. If battery primary power is permitted, requirements must meet 11.6.6 and 11.6.7 5. A spring wound mechanism with visible indication to show sufficient operating power is available In what 5 ways are household smoke and heat alarms permitted to be powered? 1. Two independent power sources. Primary shall be commercial light and power, secondary is a rechargeable battery. 2. Secondary source must be capable of operating the device for at least 24 hours and 4 minutes of alarm. 3. Secondary power source must be supervised, causing audible and visible trouble signals upon removal or low battery condition. 4. Rechargeable batteries used for secondary power must be automatically recharged, be recharged within 48 hours and provide a distinctive audible trouble signal before the battery is incapable of powering the device. 5. Low power wireless systems must be powered by batteries that comply with 6.17 What must be visible on all AC power primary sources? A 'power on' indicator. The AC primary power must be supplied by a dedicated branch circuit or the unswitched portion of a branch circuit used for power and lighting Electrical systems not designed to be installed by an electrician shall be powered by a source not in excess of how many volts? 30 All plug-in installations shall have a... Restraining means (Transformer screw) AC primary power must be supplied by a dedicated branch circuit or... The unswitched portion of a branch circuit used for power and lighting What does GFCI stand for? Ground