What's special about this electrical box insert pad?
- Intumescent insert designed to fit against the back wall and expand in a fire for safety.
- Can be used in electrical boxes, receptacles or switches to prevent the spread of fire or smoke.
- Adhesive strip on the back ensures proper bonding for a tight seal.
- Click for More Features
Protect your home or office from electrical fires with Power Shield electrical box inserts. Designed to attach to the back of the box and expand 24X upon exposure to high heat, they're perferct for maintaining the fire-resistance ratings of wall assemblies.
|Part #||Description||Dimensions (L X W X Thickness)||Color||Price|
|STI-EP44||Electrical Box Insert Pad||3.75" x 3.75" x 0.125"||Red||
|STI-EP45||Electrical Box Insert Pad||4.25" x 4.25" x 0.125"||Red||
|Weight||EP-44 - 0.08 lb (0.036 kg)
EP-45 - 0.10 lb (0.045kg)
|Volume||EP-44 - 1.75 cu in (28.8 cu cm)
EP-45 - 2.50 cu in (41.0 cu cm)
|Expansion Begin||350° F (177° C)|
|Expansion Range||350° F to >1000° (177° C - 537° C)|
|Volume Expansion||16 to 24X (free expansion)|
|In-Service Temp||<130° F (54° C)|
|Oven Aging||No Change (60° C)|
|Humidity Exposure||No Change (60° C, 98% R.H.)|
|Shelf Life||No Limit|
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