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Mounting Notes bCaution: The mounting options figures 5. Use care and proper techniques to show the maximum number of field wires position the field wires in the back box , (conductors) that can enter the back box so that they use m�inimum space and ', used with each mounting option. produce minimum stress on the I If these limits are exceeded, there may be product.This is especially important insufficient space in the back box to for stiff, heavy gauge wires and wires accommodate the field wires with thick insulation or sheathing. and stresses from the wires could damage 6. Do not pass additional wires (used for the product. other than the appliance) through the Although the limits shown for each back box"unless the back box is of a mounting option comply with the National sufficient size to permit additional Electrical code (NEC), Siemens wiring as described in NEC 314.16 (B)". recommends use of the largest back box Such additional wires could result in option and the use of approved field wires insufficient wiring space for the � whenever possible to provide additional appliance. wiring room for easy installation and Note: Due to continuous development of our minimum stress on the product from products, specifications and offerings are subject wiring. , to change without notice, in accordance with eCaution: Check that the installed product Siemens Industry, Inc. standard terms and will have sufficient clearance and wiring conditions. room prior to installing back-boxes and conduit, especially if sheathed multi- Back Box Mounting conductor cable or 314" conduit fittings are Siemens Wall-Mounted, Horizontal Strobe USed. Appliances NFPA-72 (2007) 1 Mounting hardware for each 7.5.4.1 * —Wall-mounted appliances shall be mounting option is supplied. mounted such that the entire lens is not less 2. Conduit entrances to the back box than 2030 mm (80 in.) and not greater than should be selected to provide 2440 mm (96 in.) above the finished floor or at sufficient wiring clearance for the the mounting height specified using the installed product. performance-based alternative 7.5.4.5 3 When extension rings are required, 7.5.4.2—Where low ceiling heights do not conduit should enter through the permit mounting at a minimum of 2030 mm back box, not the extension ring. (80 in.), visible appliances shall be mounted Use Steel City #53151 (1-112" deep) within 150 mm (6 in.) of the ceiling. The room or #53171 (2-118"deep) extension size covered by a strobe of a given value shall rings (as noted in the mounting be reduced by twice the difference between - options) or equal with the same cut- the minimum mounting height of 2030 mm out area. (80 in.) and the actual, lower mounting height. 4. When terminating field wires, do not use more lead length than required. Excess lead length could result in insufficient wiring space for the appliance. SIEMENS Industry, Inc. Building Technologies Division —