O poloka fa'ai'u tu'ufa'atasi ituaiga sikulima o le JH (JH1) e faia i le palasitika thermosetting PBT, e fa'aogaina e aveta'avale le laupapa fa'apipi'i sikulima e fa'apipi'i ai. O le tele o le uaea e 0.75-35mm2. O le voltage fa'atulagaina AC 50/60Hz, 500V po'o le DC 400V. E fa'aaogaina mo feso'ota'iga eletise. Fa'apipi'i ala u'amea ituaiga G.
1. Mamafa tele o le feso'ota'iga.
2. E fa'atuatuaina le feso'ota'iga.
3. E mafai ona fa'aaogaina i siosiomaga faigata. E mafai ona fa'aaogaina masani e tusa lava po'o se siosiomaga e 'a'ai pe i tulaga faigata o le tau.
Fa'amatalaga fa'apitoa autu
| Ituaiga | Fua mm | Tele o le uaea mm² | Taimi fa'atulagaina A | Polo | Ituaiga o le nofoaga fa'ai'u | Fa'amatalaga | ||
| B | H | D | ||||||
| JH1-1.5 | 44.5 | 48.5 | 7.5 | 0.75-1-1.5 | 17.5 | M3 | TU1-1/3 TO1-1/3 TU1-1.5/3 TO1-1.5/3 | O poloka fa'ai'u fiusi JH1-2.5RD ua fa'apipi'iina i le fa'avae 8.5 × 31.5. O le fiusi fa'atumu paipa silini fa'ata'ita'iga 9G1, o lona gafatia e motusia ai e le itiiti ifo i le 50KA, o tafega fa'atulagaina e 2, 4, 6, 8, 10, 12, 16, E fitu fogāfale e 20A. |
| JH1-1.5L | ||||||||
| JH1-1.5B | 42 | 45 | 10 | |||||
| JH1-1.5G | 1.5 | |||||||
| JH1-2.5 | 46.5 | 51.5 | 9.5 | 1-1.5-2.5 | 24 | M4 | TU1-1/3 TO1-1/3 TU1-1.5/3 TO1-1.5/3 | |
| JH1-2.5L | ||||||||
| JH1-2.5RD | 49 | 70.5 | 16 | TU1-2.5/4 TO1-2.5/4 | ||||
| JH1-2.5S | 59 | 68.5 | 12 | 1-1.5-2.5 | 24 | M4 | TU1-2.5/4 TO1-2.5/4 E mafai e le ituaiga pito i lalo o le JH1-2.5S ona faʻaogaina le TU1-4/4 TO1-4/4 | |
| JH1-2.5SL | ||||||||
| JH1-2.5B | 44 | 48 | 10 | |||||
| JH1-2.5G | 1.5 | |||||||
| JH1-2.5SG | 54 | 62 | 2 | |||||
| JH1-2.5RDG | 44 | 57.5 | 1.5 | |||||
| JH1-6 | 52.5 | 54 | 13.5 | 2.5-4-6 | 41 | M5 | TU1-2.5/5 TO1-2.5/5 TU1-4/5 TO1-4/5 TU1-6/5 TO1-6/5 | |
| JH1-6L | ||||||||
| JH1-6B | 50 | 50.5 | 10 | TO1-10/6 TO1-16/6 TO1-25-6 TO1-6/5 | ||||
| JH1-6G | 1.5 | |||||||
| JH1-25 | 60.5 | 63 | 20 | 10-16-25 | 101 | M6 | ||
| JH1-25L | ||||||||
| JH1-25B | 58 | 58.5 | 10 | |||||
| JH1-25G | 2 | |||||||
| JH1-35 | 66.5 | 59.5 | 26 | 16-25-35 | 125 | M8 | TO1-16/8 TO1-25/8-35/8 | |

