Non-installed equipment must perform its safety function or function relevant for safety as intended under any foreseeable operating conditions unless that function can also be performed by other means.
Ní mór, maidir le trealamh neamhshuiteáilte, go gcuirfear i gcrích mar atá beartaithe an fheidhm sábháilteachta atá aige nó feidhm eile a bhaineann le sábháilteacht, faoi aon dálaí oibríochtúla ar féidir coinne a bheith leo, ach amháin i gcás inar féidir an fheidhm sin a chur i gcrích ar mhodh eile.