Lamp Holder (Economy Switch)

Product Code : SLE/EM/21

Lamp Holder (Economy Switch) (Product Code: SLE/EM/21) is a round plastic base, 53mm across, fitted with two plated brass Fahnestock clips for connecting wires to a miniature lamp bulb holder. Primary and middle-school teachers use it for first circuit lessons, where pupils push bare wire ends into spring clips instead of tightening screws, and it sits comfortably in an electricity experiment kit for school classes. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.

Specifications

ParameterDetail
Diameter53mm
BasePlastic
TerminalsTwo plated brass Fahnestock clips
PurposeConnecting wires to a miniature lamp bulb holder

Typical Use

A Fahnestock clip is a springy brass strip: press it, slip a stripped wire end through the opening and let go, and the wire is gripped firmly. That makes this holder quick to wire for younger classes — a cell, the lamp holder and two wires show a complete circuit, and pulling one wire out shows an open circuit straight away. With several holders on a bench, groups can compare lamps in series and in parallel, or bridge a gap in the circuit with different materials to sort conductors from insulators.

For reliable contact, strip enough insulation for the wire to seat fully in each clip, and avoid bending the brass clips beyond their natural spring. The holder’s own voltage rating is not given in our listing, so pair it with the low-voltage cells normally used in school work and match the bulb to that supply.

Manufacturer

Jain Scientific Equipments Private Limited, based in Ambala, Haryana, makes this lamp holder and sells it under its ScienceLab trading name together with the rest of its electricity teaching accessories. The company profile describes the business and its product families.

Related Electricity Equipments

Parts that go with it in a first-circuits lesson:

More circuit accessories are in the Electricity Equipments category.

Frequently Asked Questions

Does the holder have a built-in switch?
Our listing describes the plastic base and two Fahnestock clips only; no separate switch is described despite the “Economy Switch” in the name. Please contact us to confirm the exact configuration, or add a push-switch key to the circuit.

Is a lamp bulb included?
Bulb supply is not stated in the listing, so mention whether you need bulbs when you ask for a quotation.

How big is it?
The base is 53mm in diameter.

How are wires attached?
Through the two plated brass Fahnestock clips — press the clip, insert the bare wire end and release. No screwdriver is needed.

What supply voltage can be used?
A voltage rating is not given in our current listing; use low-voltage cells as in normal school circuit work and ask us if you need a stated rating.

Can I order class sets?
Yes. Holders can be supplied in quantity to schools, distributors and tender buyers in India and international markets.

Request a Quote

Tell us how many lamp holders you need via the contact page, or add them to the enquiry cart along with cells, wire and switches.

Last updated: 24 September 2026

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