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TECHNICAL INFORMATION
Technical information
Material
PVC-U is flame retardant and self
extinguishing. It provides a 100%
recyclable material with good
sustainability. It complies with the
requirements of BS 4761 Parts 6
and 7 and BS 4678. The Callmaster
system is designed to comply with
BS 7671:2008.
Installation
• Select Terminal or through box to
suit installation.
• If a terminal box is used, fit the
blanking plate to unused entry.
• Depending upon circuit wiring,
select MIC internal Pot retainer
or cable Fibre clamp. Both
components are suitable for single
for single or twin cable runs.
• Insert one half of the retainer/clamp
into the surface box (from the rear)
and secure box to the wall.
• Lay in MIC or cable and secure in
position with top half of retainer/
clamp – fit Mini adaptor.
• Terminate wiring to accessory and
fit to box.
Boxes
Dimensional data for square boxes
• Overall: 87 x 87mm
• Depth: 38mm external; 35mm
internal.
• Fixing centres: 60.3mm.
• Pot size: Ø15mm.
Dimensional data for circular boxes
• Overall diameter: 123mm excluding
adaptors
• Depth: 28mm external; 24mm
internal.
• Dual fixing centre: 50.8 and
60.3mm.
• Pot size: Ø15mm.
BLANKING
PLATE
MXBP1
ADAPTOR
MXAD2
POT INSERT
MXPT1
BOX
MXBX1
SCREW FC1222
FIBRE CLAMP FC1231
CLEAT MXCC1
ADAPTOR
TA3/2C
COVER
MCMRC1
POT INSERT
MXPT1
BASE
MCMRB1
SCREW FC1222
CLEAT MXCC1
FIBRE CLAMP FC1231
MMT2 ADAPTOR*
Callmaster fire and
security systems
Mini trunking additional adaptors
Intumescent (fire barrier) pads
Marshall-Tufflex dry lining boxes are available with
intumescent (fire barrier) pads to comply with the
requirements of BS 7671:2008 IEE Wiring Regulations
and Document B of the UK Building Regulations.
Firefly Fire Clips
Standards
Compliant with the general principles of BS 5839-
1:2013 Section 26.2d when independently tested.
Installation
Vertical spacing - Use 400mm spacing
Horizontal spacing – Use 600mm spacing, except
over doors and other openings which should be
300mm spacing.
A qualified electrician must select the correct screw
fixing for the substrate to comply with BS 7671
Amendment 3. These must be used with the correct
drill size.
312 |
Fire and security systems
p236
Product
Information