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(c)l�ot Exposed to Physical Damage. Overcurrent devices sha11 be located where they will no-be exposed to , physical damage. - FPN: See Section 110-11,Deteriorating Agents. �. , (cl) Not in�icanity of Easily Ignitible Material. Overcurrent devices shall not be located in th.,vicinity of easily ignitible inaterial, such as in clothes closets. �c�;�� ' (e)Not Located in Bathrooms. In dwelling units and guest rooms of hotels and motels, overcu�rent devices, other than supplementary overcurrent protection, sha11 not be located in bathrooms as defined in.Article 100. �250-50. Grounding Electrode System � If available on the premises at each building or structure served, each item(a)through(d), and �.�y made electrodes in accorda.nce with Sections 250-52(c) and(d), shall be bonded together to form the�ounding electrode system. The bonding�umper(s) shall be insta.11ed in accorda.nce with Sections 250-64(�a), (b), and(e), = shall be sized in accordance with Section 250-66, and shall be connected in the manner specifieui in Section 250-70. ' :� �� An unspliced grounding electrode conductor shall be permitted to be run to any convenient grou�nding electrode available in the groundi.ng electrode system or to one or more�grounding electrode(s) individ �y. It shall be sized for the largest grounding electrode conductor required among a11 the electrodes connected o it. �omnicnta�y The grounding electrode conductor sha11 be unspliced or spliced by means of irreversible compr ssion-type ', connectors listed for the purpose or by the exothermic welding process. ; ' Interior metal water piping located more than 5 ft(1.52 m) from the point of entrance to the b ' ding sha11 not be used as a part of the grounding electrode system or as a conductor to interconnect electxodes - t are part of the grounding electrode system. - Exception: In industrial and comfnercial buildings where conditions of maintenance and sup, 3-vision ensure � that only qualifred pe�sons will service the installation and the entire length of the interior fnetc�l wateY pipe that is being used for the conductor is exposed. ;SGommerite7yg FPN: See Sections 547-8 and 547-9 for special grounding and bonding requirements for agricultural buildings. (a)Metal Underground Water Pipe.A metal underground water pipe in direct contact with th�earth for 10 ft (3.05 m) or more (including any metal well casing effectively bonded to the pipe) and electricall�continuous (or made electrically continuous by bonding a.round insulating joints or sections or insulating pipe)'�o the points of = connection of the grounding electrode conductor and the bonding conductors.;{c� (1) Continuity. Continuity of the grounding path or the bonding connection to interior piping s all not rely on ` water meters or filtering devices and similar equipment. � (2) Supplemental Electrode Required.A metal underground water pipe shall be supplemente i�y an additional electrode of a type specified in Sections 250-50 or 250-52. Where the supplemental eflectrode is a made electrode of the rod,pipe, or plate type, it shall comply with Section 250-56. The supplem�ntal electrode sha11 be ernutted to be bonded to the oundin electrode conductor the ounded service-entr�a.nce conductor � P �' g � �' � r—��==�,-� i v the nonflexible grounded service raceway, or any grounded service enclosure.,(�CommenteFy Exception: The supplemental elect�ode shall be permitted to be bonded to the interior metal water piping at any convenient point as covered in Section 250-50, Exception. Where the supplemental electrode is a made electrode as in Section 250-52(c) or(d),that portio�.of the bonding jumper that is the sole connection to the supplemental grounding electrode shall not be required� o be larger than No. 6 copper wire or No. 4 aluminum wire.;�ca,,;,�,��e�� (b)Metal lFrame of the�uilding or Structure. The metal frame of the building or structure, ere effectively � x�A