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The direct burial cable must be a UL / CSA Approved, type TC round style cable rated for burial use.
FLAT TYPE UF CABLE WILL NOT BE PERMITTED AND WILL VOID WARRANTY!
The 12/5 conductor size is based on a maximum length of 150 feet.
When installing the direct burial cable be sure to consider the following points:
• Cable should be a minimum of 24” below grade for residential dwellings or otherwise buried per Table 300-5 of
the National Electric Code and/or per local codes
• A coil of 6 to 12 inches of excess cable at conduit ends to allow for settling of backfi ll
• Cannot have damaged or nicked insulation or conductors
• All cable is ran inside of conduit when going from the Alarm Box to 24” below grade
• All connections made are utilizing Third party listed devices
MOUNTING ALARM BOX
• Make sure bottom of Alarm Box is a minimum of 36” above grade and level
• All penetrations through the enclosure should be made on the bottom and utilize NEMA 4 fi ttings to maintain
the enclosure rating. Two penetrations will be required. One for “Incoming Service” and one for the “Direct
Burial Cable”. Recommend 1” conduit.
• Proper style and size of hardware is used to mount to surface
• Alarm devices are audible/visible and in a direct line of sight from the station
• Only use Third party listed devices when connecting to the enclosure
STEP 11: INSTALLING DIRECT BURIAL CABLE AND
MOUNTING ALARM BOX
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