I'm not sure it is, at least from a BS 7671 perspective.
It is, for LV circuits on construction sites, where protection by RCD with rated residual operating current not exceeding 30 mA is omitted, supplying both socket-outlets, and hand-held equipment, having current rating up to 32 A ... see 704.410.3.10. Other options include electrical separation for individual items of equipment, or SELV/PELV.
But since 30 mA (or less) RCD protection for the socket-outlets is ordinarily required by 411.3.3 (unless RLV is used), it seems that the RCD protection would be the deciding factor for the 110 V LV circuit?
I'm not sure it is, at least from a BS 7671 perspective.
It is, for LV circuits on construction sites, where protection by RCD with rated residual operating current not exceeding 30 mA is omitted, supplying both socket-outlets, and hand-held equipment, having current rating up to 32 A ... see 704.410.3.10. Other options include electrical separation for individual items of equipment, or SELV/PELV.
But since 30 mA (or less) RCD protection for the socket-outlets is ordinarily required by 411.3.3 (unless RLV is used), it seems that the RCD protection would be the deciding factor for the 110 V LV circuit?
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