NECA 331 : 2009現(xiàn)行

BUILDING AND SERVICE ENTRANCE GROUNDING AND BONDING

出版：National Electrical Contractors Association

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標(biāo)準(zhǔn)編號(hào)： NECA 331 : 2009

標(biāo)準(zhǔn)類別：Standard

出版單位：National Electrical Contractors Association

標(biāo)準(zhǔn)頁(yè)數(shù)：0

標(biāo)準(zhǔn)簡(jiǎn)介

Specifies installation procedures for building and service entrance grounding as well as building interior bonding and grounding.

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