Buying guides · Delhi NCR
Electrical buying guides
Practical selection guidance from the counter at New Delhi Electricals: how to read a specification, what the ratings on a device actually mean, and what to have ready before you ask for a quotation. Every guide covers choosing and buying products. Installation and testing is work for a licensed electrician.
5 guides across 2 product areas.
Wires & cables
Choosing conductor sizes, insulation grades and brands before you order coils.
Browse wires & cables in the catalogue
Which wire is best for house wiring? A practical buyer’s guide
Conductor size, insulation grade and provenance decide whether house wiring is right. Brand comes last.
Supports Wires & cables
How to check that Finolex wire is original
Verify the BIS licence in the official database and keep a traceable invoice. Looks are the weakest check.
Supports Finolex wires & cables
Circuit protection
MCBs, RCCBs, RCBOs and isolators: what each device does and how a distribution board is specified.
Browse circuit protection in the catalogue
MCB vs MCCB: what is the difference, and which do you need?
The dividing line is not size. It is current rating, fault-breaking capacity and whether the trip settings can be adjusted.
Supports Circuit protection
How to choose an MCB for home circuits
Rating sits between the circuit’s design current and the cable’s capacity. Curve and poles follow from the load.
Supports Circuit protection
RCCB explained: what it does, how it works, and which rating to specify
The device that detects current leaking to earth and disconnects before it becomes a shock or a fire.
Supports Circuit protection
Not sure what your job needs?
Send the circuit schedule, bill of quantities or point count you are working from. We price it against what we carry and tell you where the schedule asks for something we do not list.