11.5.1.1 A recessed luminaire shall be provided with a thermal protector unless the luminaire is:
(a) intended to be installed in concrete only, as specified in Clause 11.4.6;
(b) inherently protected, complies with the temperature test of Clause 14.8, and is marked in
accordance with Table 20.1.1, Item 2.24;
(c) intended to be installed in the ground only and is marked in accordance with Table 20.1.1,
Item 2.27;
(d) intended to be installed in an outdoor canopy or marquee where it is not intended to be
covered with thermal insulation, and is marked in accordance with Table 20.1.1, Item 2.26;
(e) fluorescent, when the ballast is required to have a thermal protector in accordance with
Clause 8; or
(f) HID, Type IC, and marked in accordance with Table 20.1.1, Item 2.23.! G$ T3 ]" ?5 z' t5 t
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(a)是指安装在混泥土内,并不是浇筑在混泥土内;参考一下:14.9 Recessed luminaires for use in poured concrete( y1 s5 R5 e/ l* Y0 n