505 – Zone 0, 1, and 2 Locations

Table 505.9(C)(2)(4) – Equipment Suitability

Change at a Glance:

Table 505.9(C)(2)(4) was replaced with an updated applicability table and is now Table 505.9(C)(2)(4) Equipment Suitability.

505.9 Equipment. (Zone 0, 1, and 2 Locations)

(C) Marking. Equipment shall be marked in accordance with 505.9(C)(1) or (C)(2).
(2) Zone Equipment. Equipment meeting one or more of the protection techniques described in 505.8 shall be marked with all of the following in the order shown:
(1) Class I (equipment shall be permitted to omit the Class I marking)
(2) Zone [in accordance with Table 505.9(C)(2)(4)]
(3) Symbol “AEx”
(4) Protection technique(s) in accordance with Table 505.9(C)(2)(4)
(5) Applicable material group in accordance with Table 505.9(C)(1)(2) or a specific gas or vapor
(6) Temperature classification in accordance with 505.9(D)(1)
(7) Equipment protection level (EPL)
Table 505.9(C)(2)(4) Types of Protection Designation Equipment Suitability

(see NEC for complete Code text and table)