Ina ia faafaigofieina le faapipiiina, O pa puipui e fa'asa'o pa ua fa'apipi'iina i totonu ma fafo fa'amau fa'avae. O nei fa'amau e fa'aogaina mo le crimping i 4.0mm2 uaea 'apamemea, tu'ufa'atasia vaega e puipuia ai le matala ma le pala.
I fa'ata'ita'iga o lo'o fa'aogaina ai uaea alavai u'amea ma pusa fa'amaufa'ailoga fa'a-lua fa'apipi'i fa'ato'a pa., the use of grounding connectors becomes unnecessary.