S.L. 545.24 ст. 18Use of standby generators with fixed installations.

Generators intended to be used as standby to supply a fixed electrical installation which is also connected to the electricity distribution system:

(a) shall be provided with a two pole (for single phase installations) or a four pole (for three phase installations) change over switch;

(b) shall not, under no circumstances, come in direct or indirect connection with the electricity distribution system.