Le ntambo yakhelwe ukufakwa unomphela ezakhiweni zomphakathi.Izinga le-flame retardant yi-IEC 60332-3 Cat C & UL CMR.Futhi ikhebula alinawo ama-halogen ukuze - uma kuba nomlilo-akukho ntuthu enobuthi ezophuma.Ine-2X4.0MM high purity Oxygen free copper (OFC) conductor, ilungele ukufakwa okuhleliwe komsindo osezingeni eliphezulu, Ibanga letiyetha yasekhaya, umsindo wesipika, isekethe ekhawulelwe amandla, nokuxhumana.