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누전경보기의 화재안전기술기준 (NFTC 205)

[시행 2022-12-01] 대한민국 국가 화재안전기술기준 공식 전문 · (소방청 공고 제2022-226호) 누전경보기의 화재안전기술기준(NFTC 205).hwp

💡 핵심 실무 요약: 변류기(CT), 수신부 설치위치, 경계전로 60A 초과 1급·이하 2급

1.일반사항············································································································1

1.1적용범위·······································································································1

1.2기준의효력·································································································1

1.3기준의시행·································································································1

1.4기준의특례·································································································1

1.5경과조치·······································································································1

1.6다른법령과의관계···················································································1

1.7용어정의·······································································································2

2.기술기준············································································································2

2.1누전경보기의설치방법등········································································2

2.2수신부··········································································································2

2.3전원··············································································································3

누전경보기의화재안전기술기준(NFTC205)

1. 일반사항

1.1 적용범위

1.1.1 이 기준은「소방시설설치 및 관리에관한 법률 시행령」(이하 “영”이라 한다) 별표 4 제2호자목에따른

누전경보기의설치및관리에대해적용한다.

1.2 기준의효력

1.2.1 이 기준은「소방시설설치및 관리에관한법률」(이하“법”이라한다) 제2조제1항제6호나목에따라경보

설비인누전경보기기술기준으로서의효력을가진다.

1.2.2 이 기준에 적합한 경우에는 법 제2조제1항제6호나목에 따라 「누전경보기의화재안전성능기준(NFPC 20

5)」을충족하는것으로본다.

1.3 기준의시행

1.3.1 이기준은2022년12월1일부터시행한다.

1.4 기준의특례

1.4.1 소방본부장또는 소방서장은기존건축물이증축‧

개축‧

대수선되거나용도변경되는 경우에있어서이 기준

이정하는기준에따라해당건축물에설치해야할누전경보기의배관‧

배선등의공사가현저하게곤란하다고인

정되는경우에는해당설비의기능및 사용에지장이없는범위 안에서이 기준의일부를적용하지않을수 있

다.

1.5 경과조치

1.5.1 이기준시행전에건축허가등의신청또는신고를하거나소방시설공사의착공신고를한특정소방대상물

에대해서는종전의「누전경보기의화재안전기준(NFSC205)」에따른다.

1.5.2 이 기준시행전에1.5.1에 따른신청또는신고를한 경우라도제정기준이종전의기준에비하여관계인

에게유리한경우에는제정기준에따를수있다.

1.6 다른법령과의관계

1.6.1 이기준시행당시다른법령또는행정규칙등에서종전의화재안전기준을인용한경우에이기준가운데

그에해당하는규정이있는경우에는종전의규정에갈음하여이기준의해당규정을인용한것으로본다.

1.7 용어의정의

1.7.1 이기준에서사용하는용어의정의는다음과같다.

1.7.1 .1 “누전경보기”란내화구조가아닌건축물로서벽,바닥또는천장의전부나일부를불연재료또는준불연재

료가 아닌재료에철망을넣어 만든건물의전기설비로부터누설전류를탐지하여경보를발하는기기로서, 변류

기와수신부로구성된것을말한다.

1.7.1 .2 “수신부”란변류기로부터검출된신호를수신하여누전의발생을해당특정소방대상물의관계인에게경보

하여주는것(차단기구를갖는것을포함한다)을말한다.

1.7.1 .3 “변류기”란경계전로의누설전류를자동적으로검출하여이를누전경보기의수신부에송신하는것을말한

다.

1.7.1 .4 “경계전로”란누전경보기가누설전류를검출하는대상전선로를말한다.

1.7.1 .5 “과전류차단기”란「전기설비기술기준의판단기준」제38조와제39조에따른것을말한다.

1.7.1 .6 “분전반”이란배전반으로부터전력을공급받아부하에전력을공급해주는것을말한다.

1.7.1 .7 “인입선”이란「전기설비기술기준」 제3조제1항제9호에따른것으로서, 배전선로에서갈라져서직접수용

장소의인입구에이르는부분의전선을말한다.

1.7.1 .8 “정격전류”란전기기기의정격출력상태에서흐르는전류를말한다.

2. 기술기준

2.1 누전경보기의설치방법등

2.1.1 누전경보기는다음기준에따라설치해야한다.

2.1.1 .1 경계전로의정격전류가60A를초과하는전로에있어서는1급누전경보기를,60A이하의전로에있어서

는 1급 또는2급 누전경보기를설치할것. 다만, 정격전류가60 A를 초과하는경계전로가분기되어각 분기회로

의정격전류가60A이하로되는경우당해분기회로마다2급누전경보기를설치한때에는당해경계전로에1급

누전경보기를설치한것으로본다.

2.1.1 .2 변류기는특정소방대상물의형태, 인입선의시설방법등에 따라 옥외 인입선의제1지점의 부하 측 또는

제2종 접지선측의점검이쉬운위치에설치할것. 다만, 인입선의형태또는특정소방대상물의구조상부득이한

경우에는인입구에근접한옥내에설치할수있다.

2.1.1 .3 변류기를옥외의전로에설치하는경우에는옥외형으로설치할것

2.2 수신부

2.2.1 누전경보기의수신부는옥내의점검에편리한장소에설치하되,가연성의증기·먼지등이체류할우려가있

는 장소의 전기회로에는해당 부분의 전기회로를차단할 수 있는 차단기구를가진 수신부를설치해야한다. 이

경우차단기구의부분은해당장소외의안전한장소에설치해야한다.

2.2.2 누전경보기의수신부는다음의장소이외의장소에설치해야한다.다만,해당누전경보기에대하여방폭·방

식·방습·방온·방진및정전기차폐등의방호조치를한것은그렇지않다.

2.2.2 .1 가연성의증기·먼지·가스등이나부식성의증기·가스등이다량으로체류하는장소

2.2.2 .2 화약류를제조하거나저장또는취급하는장소

2.2.2 .3 습도가높은장소

2.2.2 .4 온도의변화가급격한장소

2.2.2 .5 대전류회로·고주파발생회로등에따른영향을받을우려가있는장소

2.2.3 음향장치는수위실등 상시 사람이근무하는장소에설치해야하며, 그 음량 및 음색은다른 기기의소음

등과명확히구별할수있는것으로해야한다.

2.3 전원

2.3.1 누전경보기의전원은「전기사업법」 제67조에 따른 「전기설비기술기준」에서 정한 것 외에 다음의기준

에따라야한다.

2.3.1 .1 전원은분전반으로부터전용회로로하고, 각 극에개폐기및 15 A 이하의과전류차단기(배선용차단기에

있어서는20A이하의것으로각극을개폐할수있는것)를설치할것

2.3.1 .2 전원을분기할때는다른차단기에따라전원이차단되지않도록할것

2.3.1 .3 전원의개폐기에는”누전경보기용”이라고표시한표지를할것

화재안전기술기준

누전경보기의

화재안전기술기준(NFTC205)

🏛️ 소방청 & 국립소방연구원 화재안전기술기준정보시스템(NFTC) 최신 공식 데이터 준수
소방기술사 · 소방시설관리사 · 소방설비기사 수험 및 시공·감리 실무 기준

누전경보기의 화재안전기술기준(NFTC 205) 한눈에 보는 최신 전문 (들여쓰기·핵심기준 총정리)

누전경보기의 화재안전기술기준 (NFTC 205)

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누전경보기의 화재안전기술기준 (NFTC 205)

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