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� . , �� 1 t�s�� aysnc�� aga�g�. Overcurrent devices sha11 be located where they will not be exposed to physical damage. �I - FPN: See Section 110-11,Deteriorating Agents. i �� 1'��t iaa �acan��y ��'��sa9��g�a�tnb��l��t�r��i. Overcurrent devices sha11 not be located in the vicinity of easily ignitible mat'I rial, such as in clothes closets. :�� (e�l�To�I,�cat�� gai��t�n�o�aaa�. In dwelling units and guest rooms of hotels and motels, overcurrent devices, ' other than supplementary overcurrent protection, shall not be located in bathrooms as defined in Article 100. �250-50. �round�ng Elecga��a$e S�stea� � If available on the premises at each building or structure served, each item (a) through (d), and any made � electrodes in accordance with Sections 250-52(c) and (d), shall be bonded together to form the grounding electrode system. The bonding jumper(s) shall be installed in accordance with Sections 250-64(a), (b), and (e), shall be'sized in accordance with Section 250-66, and shall be connected in the manner specified in Section 250-70., � An uns �liced oundin electrode conductor shall be ermitted to be run to an convenient oundin electrode P �' g P Y �' g � available in the ��n ' r � grou dmg electrode system o to one or more grounding electrode(s) individually. It shall be sized for the lar est I oundin electrode conductor re uired amon all the electrodes connected to it. :�on.n.er��. � g �' g q g ��,�.� The grounding electrode conductor sha11 be unspliced or spliced by means of irreversible compression-type connectors listed fori the puipose or by the exothernuc welding process. ', I . Interior metal water i in located more than 5 ft 1.52 m from the oin f n r , p p g ( ) p t o e t ance to the buildin shall not be g used as a part of the�grounding electrode system or as a conductor to interconnect electrodes that are part of the groundirig electrode system. i Exception:In indarstrial and commercial buildings where conditions of maintenance and supervision ensure that only qualified pe�•sons will se�vice the installation and the entire length of the interior metal water pipe that is being zrsed for the 'I onductor is exposed. °;��-�ra��:y� FPN: See Sections 5i7-8 and 547-9 for special grounding and bonding requirements for agricultural buildings. �a}1°d��tafl i7nclea��round�Ja��ipe. A metal underground water pipe in direct contact with the earth for 10 ft (3.05 m) or more (including any metal well casing effectively bonded to the pipe) and electrically continuous (or made electrically continuous by bonding around insulating joints or sections or insulating pipe) to the points of , connection of the grounding electrode conductor and the bonding conductors. ;�a��a�� {l� f;��atnnuiiy. Contil'nuity of the grounding path or the bonding connection to interior piping shall not rely on water meters or filtenng devices and similar equipment. 2 S�a ��ane�nta� �le;ctr�de�8e uareai. A metal under round water i e shall be su lemented b an additional � � �� g P P pP Y electrode of a type specified in Sections 250-50 or 250-52. Where the supplemental electrode is a made electrode of the rod,�pipe, or plate type, it shall comply with Section 250-56. The supplemental electrode sha11 be permitted to be bond'ed to the gr�ounding electrode conductor, the grounded service-entrance conductor, the nonflexible grounded service raceway, or any grounded service enclosure. ':�� Exception: The suppl emental elect�ode shall be peYmitted to be bonded to the interior metal water piping at m any convenient point a �covered in Section 250-50, Exception. Where the supplemental electrode is a made electrode as in Section 250-52(c) or (cl), that portion of the bonding jumper that is the sole connection to the supplemental grounding electrode shall not be required to be larger than No. 6 copper wire or No 4 aluminum wire. ;��,��,�ga�y� �b) l�e�ad�raaYae �f the�aanic�aa�� or �tra�c��ar�. The metal frame of the building or structure, where effectively . �