In short
- Number 1 bestselling Junction Box 4x4: NPI Trachang PVC Electric Telecom White BS Square Junction Box 3x3 20 mm 1/2-inch at ฿ 31.78 per Piece
- Brands with the most items in the top 10: NPI Trachang (SCG), 10 items
Online prices as of 16 Nov 2026, delivery not included
Top 10 bestselling Junction Box 4x4
- 1
NPI Trachang PVC Electric Telecom White BS Square Junction Box 3x3 20 mm 1/2-inch
NPI Trachang (SCG)86x86x40 mm, 20 Pcs/Box1.00 kg฿ 31.78per Piece
- 2
PVC YELOW NPI Trachang SQUARE JUNCTION BOX-TOT 15 mm 3/8-inch
NPI Trachang (SCG)ผู้ใช้งานจะต้องเจาะรูร้อยสายไฟเอง2.00 kg฿ 21.50per Piece
- 3
NPI Trachang PVC Electric Telecom White JIS Square Junction Box 4" x 4" WEC 18 mm 1/2-inch
NPI Trachang (SCG)12 Pcs/Box0.20 kg฿ 15.89per Piece
- 4
PVC YELOW NPI Trachang SQUARE JUNCTION BOX-TOT 18 mm 1/2-inch
NPI Trachang (SCG)ผู้ใช้งานจะต้องเจาะรูร้อยสายไฟเอง1.00 kg฿ 21.50per Piece
- 5
NPI Trachang PVC Electric Telecom White JIS Square Junction Box 4" x 4" WEC 20 mm 3/4-inch
NPI Trachang (SCG)12 Pcs/Box0.10 kg฿ 15.89per Piece
- 6
NPI Trachang PVC Electric Telecom White JIS Square Junction Box 4" x 4" WEC 15 mm 3/8-inch
NPI Trachang (SCG)12 Pcs/Box0.10 kg฿ 15.89per Piece
- 7
PVC YELOW NPI Trachang SQUARE JUNCTION BOX-TOT 20 mm 3/4-inch
NPI Trachang (SCG)ผู้ใช้งานจะต้องเจาะรูร้อยสายไฟเอง1.00 kg฿ 21.50per Piece
- 8
NPI Trachang PVC Electric Telecom White BS Handy Junction Box 6x3 (164x77x38) 25 mm 3/4-inch
NPI Trachang (SCG)10 Pcs/Box1.00 kg฿ 53.74per Piece
- 9
NPI Trachang PVC Electric Telecom White BS Square Junction Box 3x3 Thicken 20 mm 1/2-inch
NPI Trachang (SCG)86x86x46 mm, 20 Pcs/Box2.00 kg฿ 44.86per Piece
- 10
NPI Trachang PVC Electric Telecom White BS Square Junction Box 3x3 25 mm 3/4-inch
NPI Trachang (SCG)86x86x40 mm, 20 Pcs/Box1.00 kg฿ 31.78per Piece
Brands in the top 10
How we rank
- Real sales onlyRanked by the units customers ordered and paid for on OneStockHome
- Only what you can buyOnly items on sale with a price are counted
- Today's pricesOnline prices as of 16 Nov 2026, delivery not included
- Updated automaticallyRanks follow new orders; prices follow the store
Frequently asked questions
Which Junction Box 4x4 sells best on OneStockHome?
NPI Trachang PVC Electric Telecom White BS Square Junction Box 3x3 20 mm 1/2-inch at ฿ 31.78 per Piece number 1 by units ordered, as of 16 Nov 2026
Which Junction Box 4x4 brands sell best?
The top 10 bestselling Junction Box 4x4 include NPI Trachang (SCG) (10)










