a) Yenziwe ngepulasitiki yobunjiniyela eqiniswe inayiloni PA,ukumelana nezinga lokushisa -20℃ kuya ku-+120℃.
b) Ifakwe kalula, awekho amathuluzi adingekayo.
c) Ingathatha ingidi enobubanzi beketango obufika ku-8mm.
| Ingxenye No. | Incazelo |
| CBL42 | Ifanele ukukhiya ama-circuit breaker amaningi amancane naphakathi nendawo |
| CBL43 | Ifanele ukukhiya ama-circuit breaker amaningi amakhulu abunjiwe |


I-Circuit Breaker Lockout