An arrangement comprising a terminal block and an external electrical component, comprising: at least one terminal block comprising an insulating terminal block housing and connection terminals (56a, 56b, 66) accommodated in the terminal block housing, the connection terminals comprising at least first and second wire end connection terminals (56a, 56b) which are configured so that wire ends of electrical cables can be inserted from outside through a respective conductor insertion channel (62a, 62) into the associated wire end connection terminal (56a, 56b) and can be electrically connected to the terminal block by means of the respective wire end connection terminal (56a, 56b); an external electrical component (24, 84, 94) comprising a component housing and a first and a second electrical terminal; a component carrier (12, 72, 72', 72", 72''') by means of which the electrical component is mechanically fixed on a narrow side of the terminal block; characterised in that the first electrical terminal comprises a first connection wire, and wherein either i) the second electrical terminal comprises a second connection wire, and the first and second connection wires (34a, 34b) are configured to be pluggable to the wire end connection terminals (56a, 56b) of the terminal block and are plugged into the first and second wire end connection terminals (56a, 56b), respectively, of the terminal block and electrically contacted there; or ii) the component carrier (72, 72', 72", 72''') itself is electrically conductive and the second electrical terminal of the electrical component (24, 84, 94) is electrically and mechanically connected to the component carrier (72, 72', 72", 72''') and the first connection wire is configured to be pluggable to the wire end connection terminals of the terminal block and is plugged into the first wire end connection terminal of the terminal block and is electrically contacted there, and the component carrier (72, 72', 72", 72''') is configured to be pluggable to one of the connection terminals (56a, 56b, 66) of the terminal block and is directly plugged into one of the connection terminals (56a, 56b, 66) of the terminal block and electrically contacted there. at least one terminal block comprising an insulating terminal block housing and connection terminals (56a, 56b, 66) accommodated in the terminal block housing, the connection terminals comprising at least first and second wire end connection terminals (56a, 56b) which are configured so that wire ends of electrical cables can be inserted from outside through a respective conductor insertion channel (62a, 62) into the associated wire end connection terminal (56a, 56b) and can be electrically connected to the terminal block by means of the respective wire end connection terminal (56a, 56b); an external electrical component (24, 84, 94) comprising a component housing and a first and a second electrical terminal; a component carrier (12, 72, 72', 72", 72''') by means of which the electrical component is mechanically fixed on a narrow side of the terminal block; characterised in that the first electrical terminal comprises a first connection wire, and wherein either i) the second electrical terminal comprises a second connection wire, and the first and second connection wires (34a, 34b) are configured to be pluggable to the wire end connection terminals (56a, 56b) of the terminal block and are plugged into the first and second wire end connection terminals (56a, 56b), respectively, of the terminal block and electrically contacted there; or ii) the component carrier (72, 72', 72", 72''') itself is electrically conductive and the second electrical terminal of the electrical component (24, 84, 94) is electrically and mechanically connected to the component carrier (72, 72', 72", 72''') and the first connection wire is configured to be pluggable to the wire end connection terminals of the terminal block and is plugged into the first wire end connection terminal of the terminal block and is electrically contacted there, and the component carrier (72, 72', 72", 72''') is configured to be pluggable to one of the connection terminals (56a, 56b, 66) of the terminal block and is directly plugged into one of the connection terminals (56a, 56b, 66) of the terminal block and electrically contacted there. i) the second electrical terminal comprises a second connection wire, and the first and second connection wires (34a, 34b) are configured to be pluggable to the wire end connection terminals (56a, 56b) of the terminal block and are plugged into the first and second wire end connection terminals (56a, 56b), respectively, of the terminal block and electrically contacted there; or ii) the component carrier (72, 72', 72", 72''') itself is electrically conductive and the second electrical terminal of the electrical component (24, 84, 94) is electrically and mechanically connected to the component carrier (72, 72', 72", 72''') and the first connection wire is configured to be pluggable to the wire end connection terminals of the terminal block and is plugged into the first wire end connection terminal of the terminal block and is electrically contacted there, and the component carrier (72, 72', 72", 72''') is configured to be pluggable to one of the connection terminals (56a, 56b, 66) of the terminal block and is directly plugged into one of the connection terminals (56a, 56b, 66) of the terminal block and electrically contacted there.