Kaya mukukumanga chipinda chatsopano kapena mukungoyamba kupanga, magetsi anu owonetsera ndi ofunikira, onse kuti akhale otetezeka komanso omasuka. Code Code National Electrical Code (NEC), yomwe imafalitsidwa ndi National Fire Protection Association , ikukhazikitsa malamulo ndi miyezo yomwe ikugwiritsidwa ntchito pa malamulo a zomangamanga m'madera ambiri.
Kope losindikizidwa posachedwapa la NEC linafalitsidwa mu 2008. Lili ndi zofunikira zenizeni za mitundu yowala yomwe imaloledwa muzipinda komanso zofunikila zomwe ziyenera kusungidwa pakati pa malo osungira ndi magetsi.
Mwinamwake kusintha kwakukulu kwambiri komwe kunayambika mu code 2008 kunali kuti kunalola kugwiritsa ntchito zipangizo za LED.
Ngakhalenso mapulaneti anu ndi magetsi awo akali akale, zofunikila zamakono ndizizindikiro zabwino kwa iwo. Magetsi ambiri opangira magetsi akuyang'anira kuti achitike; Izi ndi zoona makamaka pa mababu a kuwala, omwe amapanga kutentha kokwanira kuti ayambe moto.
Pano pali chidule cha zofunikira za NEC zamakono opangira:
Zojambula ndi mababu / nyali
- Zokonzedwa pamwamba kapena zowonongeka zonsezo ndi zololedwa, koma ma bulbu omwe amavumbulutsidwa (osaphimbidwa) sali.
- Zingwe zowala zimatha kulandira fulorosenti, incandescent kapena mababu a LED.