Rob Eagle:
24V is safe, especially SELV, the only safety issue I see in this application is dodgy connections causing heating.
I would have no problem with bare 24V SELV conductors, you probably wouldn't want children sticking their tongues on them though, so a little common sense required, although they would only do it once!
That's not quite true. It depends on whether the ELV source limits the touch voltage in a fault to the maximum voltage in Section 701. Unfortunately, some sources are suitable for dry condition only, and some product standards permit a touch voltage of 120 V DC or 50 V AC in single fault conditions - which is classed as a risk in a bathroom.
Rob Eagle:
24V is safe, especially SELV, the only safety issue I see in this application is dodgy connections causing heating.
I would have no problem with bare 24V SELV conductors, you probably wouldn't want children sticking their tongues on them though, so a little common sense required, although they would only do it once!
That's not quite true. It depends on whether the ELV source limits the touch voltage in a fault to the maximum voltage in Section 701. Unfortunately, some sources are suitable for dry condition only, and some product standards permit a touch voltage of 120 V DC or 50 V AC in single fault conditions - which is classed as a risk in a bathroom.
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