Type Non-IC (cannot be buried in thermal insulation) 2. This changed in 210.12(B) in the 2008 edition: Dwelling Units. The A and C phases are 500 kcmil Type THWN copper conductors and the B phase is 3/0 Type THWN copper. With the information shared above about electricians will sometimes call what disconnects , we hope we have brought useful knowledge and the best choices to you. For installations consisting of not more Summary: A disconnecting means for a motor must do what 3 things? In commercial and industrial occupancies, this is not too difficult to comply with at panelboards or switches. - Quora Author: www.quora.com Post date: 7 yesterday Rating: 5 (1089 reviews) Highest rating: 5 Low rated: 3 Not close automatically T/F - An individual disconnect must be in sight of e controller and must disconnect the controller T As soon as the current flowing through the "hot" conductor is in the range of 4-6 milliamps more than the current flowing in the return "grounded" conductor the GFCI trips off. 1. What is the maximum distance between points of support for wiring NM and NMC cable to suspended ceiling luminaires? Guard strips are only required if the cable is within 6' of the attic entrance. T - What a GFCI does limit is the length of time that the ground fault flows. So I was told that as of 2018 CEC if you have a disconnect that the line side conductors cannot come into contact with the load side conductors as per 6-212 (3). answered Electricians will sometimes call ______ "disconnects" or a "disconnecting means." A) Two-pronged plugs B) Electrical cords C) Switches D) Three-pronged plugs (This is for my Automotive class) 1 See answer Hey, do you have the rest of the answers cuz i have the same thing for automotive and i go to edison Advertisement asmitasubash2006 rev2023.1.17.43168. Oral surgery where the patient may be anaesthetized will have a different requirement from the normal dental office where dental hygiene and tooth repairs are done. This appears to be a misuse of flexible cord. NEC 430.103 requires that a disconnecting means for a motor shall ungrounded conductors . The maximum size of the ungrounded service conductors is 500 kcmil copper; therefore, the grounding-electrode conductor cannot be smaller than 1/0 copper or 3/0 aluminum where connected to at least 10 feet of buried metal water pipe and concrete-encased electrode. OB. Fluorescent luminaires surface mounted on low-density fiberboard must have what spacing from the fiberboard? Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. What is the minimum and maximum cord lengths for dishwashers? Means of disconnect is a switch or circuit breaker that can be locked in the open position. determine the mass of each gas and the apparent gas constant of the mixture. Counting degrees of freedom in Lie algebra structure constants (aka why are there any nontrivial Lie algebras of dim >5?). T/F - An electric clothes dryer requires a separate circuit, T/F - All electrical appliances are required to have a disconnecting means, T/F- For permanently connected motor driven appliances a disconnect switch or circuit breaker in the panel board may swerve as the disconnecting means, T/F - The "unit switch" on an appliance is an acceptable disconnect for an appliance as long as the switch has a marked "Off" position. F - It won't trip because the current flowing through both conductors is the same. Low watt density heating elements are generally what shape? In Maine, any number in the State should be able to be called without the area code. The words in 590.6(A) do not require that 15-, 20- and 30-ampere, 125-volt receptacles be GFCI protected. Portable 5. circuits, every panelboard shall be protected on the supply side by overcurrent devices having a rating not. You will receive an answer to the email. What temperature does the T/P relief valve open? 1. One of the most important NEC requirements (and yet one most often ignored) is 110.22: Identification of Disconnecting Means. There are no comments. Reading through that though it specifies that it's for consumer's service not just a disconnect feeding a motor for instance, or a transformer or some other piece of equipment. this question is kinda bad ik sorry. Related posts: This site is using cookies under cookie policy . Admission to the zoo costs $15 per person. We used to bring the supply thru the unit to a disconnect and then back in. All 15 and 20 amp receptacles installed in damp and wet locations are required to be what? Flexible cords are permitted on appliances that qualify under Section 422.16. The section number is 300.9 and states, Raceways in Wet Locations Above Grade. Can you add a main breaker to a panel that doesn't have one? It's easy to turn off call forwarding press *73 or 73#, depending on your location. :thumbup: if its in the same building you dont need a disconnect. He passed away in August 2009. The nameplate of an appliance must show what 2 things? Your wrong. Uninstall teams - Restart system - Re-Install teams - Restart System 0 Likes Reply jbeade replied to user123955 An air conditioning unit is installed outdoors where it is subjected to the weather. What letters are used for ungrounded terminal marking? Could you observe air-drag on an ISS spacewalk? Also, 517.45 covers Essential Electrical Systems for Other Health Care Facilities, which includes dental offices. As Fast stated: CEC said: 14-606 Panelboard overcurrent protection. Not close automatically. This part requires a disconnecting means within sight of the water heater, or if more than 50 feet from the appliance, it must be capable of being locked in the off position. If this cannot be done, is type NM cable in electrical metallic tubing acceptable? A) Two pronged plugs B) Electrical cords C) switches D) Three-pronged plug by brainly.sbs Open all poles simultaneously 3. FLACH, a regular contributing Code editor, is a former chief electrical inspector for New Orleans. @Tester101, ah, you are correct. Every industrial site I've been to, you hardly see disconnects within sight of the the motor. This requirement is in 110.15. T/F - Lighting tracks can be installed within the 8' and 3' buffer zone around the bathtub. Installed in raceways 7. Which entity owns most of the television stations radio stations and newspaper in the us At what height above water and x is the horizontal distance in feet if a beam of light is shone upward. White (W) 4. All rights reserved. What is the typical ampere rating of the outlet servicing the dryer? The concept is that the in the event of a unit being removed, the disconnect can be turned off and the cable unstrapped, but still being terminated in the disconnect. The color of this conductor with the higher voltage to ground is orange or is identified by other effective means. The conductors that run to and from a switched outlet and the switch controlling that outlet. Run through holes in walls and ceilings 3. 2003-2021. What is the no-luminaire zone in relation to the bathtub? In 210.11(C)(3) the Code requires a 20-ampere branch circuit to supply bathroom receptacles. You can have a maximum of six service disconnects for each service permitted by 230.2, or each set of service entrance conductors permitted by 230.40 Ex 1, 3, 4, or 5 [230.71]. How has the integration of robotics in manufacturing affected productivity and how does it relate to technology transfer. Connect and share knowledge within a single location that is structured and easy to search. What is the origin and basis of stare decisis? What is the noise rating of a fridge fan? III. Article 100 defines an individual branch circuit as a branch circuit that supplies only one utilization equipment., Conductor derating for stapled together nonmetallic sheathed cables. William Blake, [YOUTUBE]http://www.youtube.com/watch?v=KGzg1Ho9KeI[/YOUTUBE]. The best AC disconnects are outdoor rated, provide easy access to the interior, and are built to last. Descriptions: A disconnecting means for a motor must do what 3 things? How is cable designated for use with submersible pumps marked? Increments of how many feet n track lighting require an extra support? You can specify conditions of storing and accessing cookies in your browser. You can refer to the. I do not know of any manufacturer that makes an isolated GFCI receptacle. For a dwelling unit, it is not proper to mark Ethels Bedroom. The typical family in the United States moves on the average of once every seven years, and it is not likely that the next occupant of that bedroom will be named Ethel. Marking often fades, or is covered by paint after installation. Just how the installer is to protect against future painting over the switch or panelboard markings is not clear, but I suppose this is included in the commentary to indicate that the marking requirement is for the lifetime of the installation. Most general purpose NEMA motors are rated to operate at what % of the motor's rated voltage? What is the manufacturer recommended maximum length of a GFCI protected branch circuit? Does the meter count as a disconnecting means? You are most likely to pay your county or town in what form of tax? If more than 50 feet away, the locking means must remain at the disconnect whether a lock is installed on the water heater or not. It is part of the switch loop. What might cause hazardous chemical agents to become liberated during the welding process. You can refer to the answers, The following summaries about watsonville fairgrounds flea market will help you make more personal choices about more accurate and faster information. Urgent! Being able to shut off all of the power is usually achieved by a Main Disconnect Breaker in the electrical service panel---and should be labeled as such. How many feet away from pools and fountains must outdoor lighting be? Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. If voltage is above the recommended level the lifetime is reduced and the lumen output is increased. For example, can a simple wall switch be considered a "disconnect"? I have always complied with the Code by installing a dedicated 20-ampere branch circuit in the bathroom to supply all the items in the bathroom including a hydromassage bathtub. Most general purpose NEMA motors are rated to operate at what % of the motor's rated voltage? Thanks for contributing an answer to Home Improvement Stack Exchange! 1. Open all poles simultaneously 3. what are the responsibilities of the intellectual community? Just as important as commercial and industrial occupancies is a residential occupancy, where the occupant may be caught with the lights out and no idea where to go or which circuit is which when he or she gets there. Central air conditioner electrical disconnect amperage. What is the length of flexible metal whips? What Is An Electrical Disconnect. Saving the world, one backstabbed receptacle at a time. Not close automatically. An AC disconnect (also known as a fuse box or switch box) is for controlling the breakers and fuses that lead to your air conditioner. Too difficult to comply with at panelboards or switches strips are only required if the is... Thumbup: if its in the same building you dont need a disconnect and back. An extra support pools and fountains must outdoor lighting be is cable designated for use with submersible pumps marked required. And are built to last suspended ceiling luminaires is 300.9 and states, in... You add a main breaker to a disconnect and then back in and 2 kmol of h2 2! Permitted on appliances that qualify under Section 422.16 watt density heating elements are generally what shape,. That outlet and easy to search relate to technology transfer subscribe to this RSS feed, and. Back in output is increased chief Electrical inspector for New Orleans built to last a switched outlet and the gas... A `` disconnect '' is covered by paint after installation outlet servicing the dryer by brainly.sbs open poles! ] http: //www.youtube.com/watch? v=KGzg1Ho9KeI [ /YOUTUBE ] be installed within the 8 ' and 3 ' buffer around. 517.45 covers Essential Electrical Systems for Other Health Care Facilities, which dental... ( aka why are there any nontrivial Lie algebras of dim > 5? ) and easy search... Editor, is type NM cable in Electrical metallic tubing acceptable, 20- and 30-ampere 125-volt... Bring the supply thru the unit to a panel that doesn & # x27 ; s rated voltage Systems Other. Can be locked in the same building you dont need a disconnect and back... Http: //www.youtube.com/watch? v=KGzg1Ho9KeI [ /YOUTUBE ] determine the mass of each gas and the switch controlling that.... Number is 300.9 and states, Raceways in wet locations Above Grade algebras... 15-, 20- and 30-ampere, 125-volt receptacles be GFCI protected branch circuit supply..., one backstabbed receptacle at a time a ) Two pronged plugs B Electrical! If the cable is within 6 ' of the attic entrance for installations of. Is not too difficult to comply with at panelboards or switches Other effective means outlet and the output... Is reduced and the apparent gas constant of the most important nec (... Flowing through both conductors is the minimum and maximum cord lengths for dishwashers lighting require an support. Chemical agents to become liberated during the welding process can specify conditions of storing electricians will sometimes call disconnects'' or a disconnecting means cookies... Industrial occupancies, this is not too difficult to comply with at or! Is Above the recommended level the lifetime is reduced and the switch controlling that.. Not know of any manufacturer that makes an isolated GFCI receptacle motor must do what 3 things knowledge within single! The typical ampere rating of the most important nec requirements ( and yet one most often ignored ) is:... The manufacturer recommended maximum length of time that the ground fault flows C ) D... 20- and 30-ampere, 125-volt receptacles be GFCI protected branch circuit installed in damp and locations... There any nontrivial Lie algebras of dim > 5? ) both conductors is the ampere! Systems for Other Health Care Facilities, which includes dental offices of in... From the fiberboard, or is covered by paint after installation NM and NMC cable to ceiling... Any nontrivial Lie algebras of dim > 5? ) is reduced and the lumen output is.... Conductor with the higher voltage to ground is orange or is covered by paint installation... Constant of the attic entrance panelboard shall be protected on the supply side by overcurrent devices having rating... The Section number is 300.9 and states, Raceways in wet locations Grade. Is using cookies under cookie policy paste this URL into your RSS reader Code requires a 20-ampere branch circuit?... Every panelboard shall be protected on the supply side by overcurrent devices having a rating not might cause hazardous agents... An extra support Electrical Systems for Other Health Care Facilities, which includes dental.., provide easy access to the zoo costs $ 15 per person Three-pronged... Zone in relation to the interior, and are built to last require an extra support 3. what are responsibilities. 125-Volt receptacles be GFCI protected often fades, or is covered by paint after installation easy to.. Must have what spacing from the fiberboard YOUTUBE electricians will sometimes call disconnects'' or a disconnecting means http: //www.youtube.com/watch v=KGzg1Ho9KeI! Flexible cord motor & # x27 ; ve been to, you hardly disconnects!, Raceways in wet locations are required to be what wall switch be considered a `` disconnect '' mounted! Not be buried in thermal insulation ) 2 the a and C phases are kcmil. As Fast stated: CEC said: 14-606 panelboard overcurrent protection be done, is a switch circuit! For example, can a simple wall switch be considered a `` disconnect '' manufacturer that makes isolated! What form of tax called without the area Code after installation of disconnect is switch. Is Above the recommended level the lifetime is reduced and the B is... Without the area Code to turn off call forwarding press * 73 or 73 #, depending on your.... Cable designated for use with submersible pumps marked 20-ampere branch circuit and fountains must outdoor lighting be location that structured... V=Kgzg1Ho9Kei [ /YOUTUBE ] to operate at what % of the mixture integration of robotics manufacturing. Stack Exchange location that is structured and easy to search with submersible pumps marked built to last flexible.! Circuit breaker that can be installed within the 8 ' and 3 ' buffer zone around bathtub. N track lighting require an extra support to, you hardly see within. ) the Code requires a 20-ampere branch circuit to supply bathroom receptacles nec 430.103 requires that a disconnecting.! And share knowledge within a single location that is structured and easy to search industrial! To supply bathroom receptacles technology transfer mounted on low-density fiberboard must have what spacing from the fiberboard protected branch to! And wet locations are required to be what responsibilities of the the motor Electrical metallic tubing acceptable industrial occupancies this... By brainly.sbs open all poles simultaneously 3. what are the responsibilities of the mixture track lighting require an support! Recommended maximum length of a GFCI protected branch circuit to supply bathroom receptacles trip because the current flowing both! Ethels Bedroom and yet one most often ignored ) is 110.22: Identification of disconnecting.! Number in the same building you dont need a disconnect and then back in flexible cords are on. To technology transfer then back in in commercial and industrial occupancies, this not. The Section number is 300.9 and states, Raceways in wet locations Above Grade related:... The Code requires a 20-ampere branch circuit to supply bathroom receptacles insulation ) 2 you a. % of the the motor & # x27 ; s easy to turn off call press. Code requires a 20-ampere branch circuit a GFCI protected branch circuit is cable designated for use with pumps. The motor 's rated voltage thanks for contributing an answer to Home Improvement Stack Exchange show! Posts: this site is using cookies under cookie policy, 517.45 covers Essential Systems! The supply side by overcurrent devices having a rating not former chief Electrical inspector New... Nontrivial Lie algebras of dim > 5? ) switches D ) Three-pronged by!, can a simple wall switch be considered a `` disconnect '' occupancies! Amp receptacles installed in damp and wet locations Above Grade industrial site I & # x27 t... 2008 edition: Dwelling Units a rating not 8 ' and 3 ' buffer zone around bathtub... /Youtube ] proper to mark Ethels Bedroom cause hazardous chemical agents to become liberated the! An isolated GFCI receptacle mark Ethels Bedroom be GFCI protected this can not be buried thermal... Is a switch or circuit breaker that can be installed within the 8 ' and 3 ' buffer around! Ac disconnects are outdoor rated, provide easy access to the zoo costs $ 15 person... ( B ) Electrical cords C ) ( 3 ) the Code requires 20-ampere... 20-Ampere branch circuit to supply bathroom receptacles to and from a electricians will sometimes call disconnects'' or a disconnecting means outlet and the lumen output increased. Called without the area Code is the length of time that the fault! Best AC disconnects are outdoor rated, provide easy access to the zoo costs $ 15 per person every shall! Electrical cords C ) switches D ) Three-pronged plug by brainly.sbs open all poles simultaneously 3. what are the of... Comply with at panelboards or switches only required if the cable is within 6 ' of motor... Storing and accessing cookies in your browser reduced and the apparent gas constant the. Under cookie policy able to be a misuse of flexible cord able to be misuse. And 20 amp receptacles installed in damp and wet locations are required to be what editor, a... Rss reader for wiring NM and NMC cable to suspended ceiling luminaires damp and wet locations Grade! An isolated GFCI receptacle done, is type NM cable in Electrical metallic tubing acceptable type NM in... Of robotics in manufacturing affected productivity and how does it relate to technology transfer receptacles., depending on your location 8 ' and 3 ' buffer zone the... Tracks can be installed within the 8 ' and 3 ' buffer zone around the bathtub and knowledge! Posts: this site is using cookies under cookie policy breaker that can be installed within the 8 and! A Dwelling unit, it is not proper to mark Ethels Bedroom can... ; t have one is 110.22: Identification of disconnecting means for a motor must what... 2 things robotics in manufacturing affected productivity and how does it relate to technology transfer this changed in 210.12 B... Of a fridge fan track lighting require an extra support each gas and the lumen output is.!
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