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(REASON A'',W ("'HANGE: To ) wldtfl ri), :, a d Www° vide niore positive wti waw: .f'bw: njbr :erne ° t and <br />approval This will allow iaccess to xeis rwt' integail with the lurniw n 'i . I h; rneasuremieni <br />afigns wvif °w 11he fini fts° acf� °ess w°w ww°:ww e a lay in ceiling ni (°sure ient in 1.10 601)(4). <br />Amend Article 422.31 (8): Change the following to read as follows <br />422.31 Disconnection of Permanently Connected Appliances <br />(B) Appliances Rated over 300 Volt -Amperes Appliances Rated over 300 Volt -Amperes. For <br />permanently connected appliances rated over 300 volt-amperes, the branch -circuit switch <br />or circuit breaker shall be permitted to serve as the disconnecting means where the switch <br />or circuit breaker is within sight from and is readily accessible to the appliance it serves or <br />is capable of being locked in the open position in accordance with 110.25 and is readily <br />accessible to the ap... lianceF,it serves. <br />Informational Note No. 1: For appliances employing unit switches, see 422.34. <br />Informational Note No 2: The followin means of access are considered to constitute readil <br />accessible for this code change whenconformin tothe additional access re uirements of <br />the I Codes: <br />(1) Al ermanent stair, <br />(2) A201 -down stair with.a minimum 300 lb. 136 k j ca acitw m <br />(3) An access door from an gpper.floor level. <br />(REASON <br />ESON (.:)R CHANGE:.1 .6 :dw1arity and ,r,vidwww pogyit A�ww <br />wiionw.fm:qlbenwwwfwi and <br />Amend Article 500.8; change to read as follows: <br />500.8 Equipment. Explosionproof or dust -ignition proof equipment shall not be permitted for <br />use at temperatures lower than -250C (-13°F) unless they are identified for low- <br />temperature service. <br />Informational Note No. 1: It is im ortant that ins ection authorities and users exercise more <br />than ordinary_care with re and to installation and maintenance. <br />Informational Note No. 2: Since there is no consistent relationship between ex losion <br />properties and i nition tem erature the two are independent re uirements. <br />Informational Note No. 3: Low ambient conditions require special consideration. Explosion <br />roof ordust-i nition roof a upment ma not be suitable for use at temperatures lower <br />than -2VC -13'F unless they are identified for„ low -tem erature service. However at low <br />