1. Qhov ntev ntawm cov kab sib txuas yuav tsum tsis txhob ntau dhau, feem ntau tsis tshaj 20 meters.
2. Tag nrho cov ceg ntawm cov kab sib txuas yuav tsum nyob rau tib lub dav hlau thiab yuav tsum tsis txhob hla, yooj yim rau kev teeb tsa thiab kev saib xyuas.
3. Qhov ntsuas hluav taws xob ntawm cov khoom siv hluav taws xob yuav tsum sib haum nrog cov khoom siv hluav taws xob kom tsis txhob overload, luv Circuit Court, thiab lwm yam teeb meem.
4. Cov pob qij txha ntawm cov kab sib txuas yuav tsum tau kho nrog cov txheej txheem insulating los tiv thaiv kev puas tsuaj los ntawm hluav taws xob zoo li qub.
5. Thaum txhim kho cov kab sib txuas, ua tib zoo xyuas kom raug txheeb xyuas cov cim thiab polarity kom muaj kev nyab xeeb thiab kev ntseeg tau.