Installation
2106M0525 Iss 2 Nov 05 13
Electrical
Caution Cabling and wiring must be in accordance with the recognized
standards of the appropriate authority in the host country and meet
the electrical requirements of the detector and controller.
Cabling
Cabling may be SWA cable or conduit run. Wire size 1.0 to 2.5 mm
2
(17 to 14 AWG) max., with
suitable M20 explosion-proof gland, or 1/2 in. NPT, or 3/4 in. NPT steel conduit. Use any of the 3
cable/conduit entries.
The following diagrams show how to earth bond Steel Wired Armored (SWA) cable at enclosures.
The same principles apply to conduit installations. These bonding techniques provide good RFI/
EMC performance. Ground/earth loops must be avoided to prevent false alarms.
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