郑军奇 发表于 2018-3-15 21:40:27

Insolating switch (for hot water systems)

4.8.2.3 Isolating switch

Every water heater shall be provided with an independent isolating switch or switches in accordance with Clause 2.3.2.2. Such switch or switches shall be-

[*]additional to any automatic switch incorporated in the heater structure;
[*]grouped together; and
[*]installed adjacent to but not on the water heater.


吉梨苹果 发表于 2018-3-16 16:50:01

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lhr1221 发表于 2018-3-17 10:23:24

:Q

TBD16888 发表于 2018-3-26 04:24:43

:Q:Q

flyerchang 发表于 2022-3-19 13:06:30

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