malleable box,malleable iron fitting

"H" Box
J20L4H        20mm, Hot drip zinc           
J20L4H-B     20mm, Black Enamel         
J25L4H        25mm, Hot drip zinc           
J25L4H-B     25mm, Black Enamel

Models and specifications:

standards.The products are widely used in Industrial, Commercial, Office, Civil and Public Housing Projects.

The products have manufactured according to the BS4568, BS4662 and EN50086

Please note:
1.With tapped hole in base for earthing screw.
2.Supplied without covers or fixing screws unless ordered additionally.

Fixing center: Tapped M4 at 50.8mm centre.

Size:
60.3mm Internal Diameter
20mm Boxes Minimum 25mm Deep
25mm Boxes Minimum 28mm Deep

Material:  Malleable Iron
Finishes: Black Enamel, Hot drip zinc

Specifications:

Malleable box, hot drip zinc
All kinds of BS standard electrial conduit fittings and socket boxes