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Automist Smartscan Hydra
®
DIOM Manual - version 3.01.0
Plumis Ltd Copyright © 2020. All Rights Reserved.
Page 59 of 116
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However, if the consumer unit is in the protected area and has a metal enclosure complying with
18th Edition IET Wiring Regulations to BS 7671 2018; it does not require the addition of an over box to meet
BS476 Part 22 (1987) and EN1364 (1999). If the electrical installation is required to follow BS 8458, the
stipulations of that standard must be adopted; it may require the use of fuses rather than MCBs as well as a
“separately fused connection taken after the meter and from the supply side of the domestic or residential
fuse box”.
Figure 50: Split load board power supply
FP 200 fire resistant
cable to a 13 Amp
fused unswitched
connection unit located
close to the controller’s
location
Separate
circuit