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Fig.8-1 below “recommended wiring” shows a general outline of Apolarm-C wiring. For details
，
please see ”User’s Guide for the Installation of Explosion-proof Electrical Equipment” Here is
excerpts form the guideline which will help customer install Apolarm-C wiring.
8-1. Selection of installation site
Before wiring, customer should select an installation site for Apolarm-C. Then based on
the section 5.5 ”Type of hazardous area and its scope “ of the “Guidelines for the
Installation of Explosion-proofed Electrical Equipment”, customer should clearly know
the hazardous grade of the selected site (Ex. Class 0,Class 1,Class 2 hazardous area),
and clarify the grade of wiring work required as well (Ex. intrinsic safety wiring etc.)
(In class 0 hazardous area, only intrinsic safety-type electrical equipment with
explosion-proof structure can be installed.)
How to install Explosion-proof wiring
