


GB/T 31239-2023 Chinese PDF (GB/T31239-2023)
Marsoni
M251S
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Friday, May 29
GB/T 31239-2023 Chinese PDF (GB/T31239-2023)GB T 31239 2023_Chinese: Technical specification for fittings of 1 000 kV substation (Chinese: 1000kV) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 31239 2023
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4.4 ★★★★★
Based on 1780 reviews
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Product Reviews
★★★★★ 5
Good quality connectors
Size: 6 Pairs
Good quality connectors, holds wire well and stays in place. I’ll buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
★★★★★ 4
Worked fine for me
Size: 10 Pairs
I saw some reviews that mention difficulty in threading or fitting. They are tight, but they work fine. I had no issues installing the speaker wire and no issues with the set/crimping screws. I even had one fall out when I loosened it too much and, though it was challenging without my glasses, I did get it to thread back in with no problems. I have purchased other BluRigger products, like HDMI cables, and they are of great quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 19, 2024
★★★★★ 5
They look great and work great!
Size: 12 Pairs
Great contact screws with bare wires and solid inserting with the banana clips! Would buy again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
★★★★★ 5
Easy
Size: 12 Pairs
Easy to use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
★★★★★ 3
Not sure how it works
Size: 6 Pairs
Appears to tight a space for two wires to travel through and be connected
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2025
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